Agent

Agents are live-action children who tell the Numberjacks problems in every episode.

Agents can be any gender and have any kind of nationality.

Agent Numbers range from 12 to 122. There are a total of 50 Agents in the series.

Numbers up to 122 that are not agent numbers
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 13, 15, 19, 21, 23, 24, 26, 29, 30, 31, 32, 35, 36, 40, 43, 45, 46, 48, 50, 51, 56, 59, 62, 64, 65, 66, 67, 69, 71, 74, 75, 76, 78, 80, 82, 84, 86, 87, 89, 90, 92, 93, 97, 98, 102, 103, 104, 105, 107, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, Any number after 122

Numbers up to 122 that are agent numbers
11, 12, 14, 16, 17, 18, 20, 22, 25, 27, 28, 33, 34, 37, 38, 39, 41, 42, 44, 47, 49, 52, 53, 54, 55, 57, 58, 60, 61, 63, 68, 70, 72, 73, 77, 79, 81, 83, 85, 88, 91, 94, 95, 96, 99, 100, 101, 106, 108, 121, 122

Trivia

 * There are no Agents whose numbers range from 1-10, 110-120 and past 122. (Those are fanon ones)
 * 11 is featured in some audio stories
 * 16 is the only Agent to turn to static, as seen in Seven Wonders.
 * 17 is the only Agent whose number is an odd "teen" number.
 * 18 and 20 are the only Agents who appear outside the diamond screen.
 * 101 is the first dark-skinned Agent to appear in the series.
 * 39, 49, 77, 91, 121, and 122 are the only agents who appear in only one episode.
 * In some episodes, Agents are identified as their incorrect number.
 * In the episode Seven Wonders, Agent 53 is played by a different actor.
 * In One More Time and Takeaway, Agent 42 was not in these episodes and had the wrong actor.
 * Their thinking (as well as the thoughts of the Numberjacks and the viewers) is what powers the Brain Gain Machine and makes Brain Gain.
 * The performers of the Agents are not in the credits. Thus, it's unknown what their real names are.
 * 28, 55 and 91 are the only triangular numbers that are Agent numbers.
 * 16, 25, 49, 81, 100, and 121 are the only square numbers that are Agent numbers.
 * 11, 17, 37, 41, 47, 53, 61, 73, 79, 83, and 101 are the only prime numbers that are Agent numbers.
 * Agent 59 mentioned Agent 13 but Agent 13 wasn't on the show.
 * There are no Agent numbers that have the same number as one of the number characters in the real series.
 * Agent 100 never stated his number on the show.

Fanon

 * Seven featured on many fanon episodes, including his first one, "Lucky Thirteen".
 * Zero is featured in many fanon episodes, including her first one, "Out Of Shape". She and 7 are also the only American agents.

Episodes to Agent 14 (15-23)

 * Cuck-cuck-cuck-oo-oo-oo (Puzzler)
 * A Game of Two Halves (Shape Japer)
 * Say What You Mean (Problem Blob)

Episodes to Agent 16 (1-31)

 * The TroubIe With Nothing
 * Going Wrong Going Long (Problem Blob)
 * Forward Thinking (Problem Blob)
 * Seven Wonders (Puzzler)
 * Getting Heavy (Spooky Spoon)
 * Belongings (Spooky Spoon)
 * May the Fours Be With You (Shape Japer)
 * On And Off (Spooky Spoon)
 * Famous 5s (Puzzler)

Episodes to Agent 17 (35-44)

 * Slide and Turn (Shape Japer)
 * 1, 2, 3, Go (Puzzler)
 * More 4 (Shape Japer)
 * Two Four Six Eight (Numbertaker)
 * Data Day (Spooky Spoon)

Episodes to Agent 18 (48-)

 * Ups and Downs (Spooky Spoon)

Episodes to Agent 20 (46-47)

 * Counting Down to Christmas (Numbertaker, Shape Japer and Spooky Spoon)
 * Seaside Adventure (Numbertaker, Problem Blob, Puzzler, Shape Japer and Spooky Spoon)

Episodes to Agent 22 (36-45)

 * Six of One (Problem Blob)
 * More 4 (Shape Japer)
 * Square Dancing (Shape Japer)
 * How? What? Check! (Puzzler)

Episodes to Agent 25 (13-22)

 * Nine Lives (Puzzler)
 * Off Colour (Spooky Spoon)
 * Out for the Count
 * The Container Drainer (Puzzler)
 * Tens Moments
 * 3 Things Good (Shape Japer)

Episodes to Agent 28 (2-33)

 * Going Wrong, Going Long (Problem Blob)
 * Sphere Today, Gone Tomorrow (Shape Japer)
 * One More Time
 * 4 He's A Jolly Good Fellow (Numbertaker)
 * Takeaway (Numbertaker)
 * Best Estimate (Problem Blob)
 * Bad Circles (Shape Japer)
 * Fair Shares (Problem Blob)
 * Being 3 (Numbertaker)

Episodes to Agent 33 (1-34)

 * The TroubIe With Nothing
 * Sphere Today, Gone Tomorrow (Shape Japer)
 * In, Out, Shake It All About (Puzzler)
 * Forward Thinking (Problem Blob)
 * Belongings (Spooky Spoon)
 * On and Off (Spooky Spoon)
 * Zero the Hero (Spooky Spoon)
 * Fair Shares (Problem Blob)
 * Into the Teens (Numbertaker)

Episodes to Agent 34 (13-23)

 * Nine Lives (Puzzler)
 * Stop And Go (Spooky Spoon)
 * Off Colour (Spooky Spoon)
 * 3 Things Good (Shape Japer)
 * Say What You Mean (Problem Blob)

Episodes to Agent 38 (37-45)

 * Time Trouble (Spooky Spoon)
 * More 4 (Shape Japer)
 * How? What? Check! (Puzzler)

Episode to Agent 39 (47)

 * Seaside Adventure (Numbertaker, Problem Blob, Puzzler, Shape Japer and Spooky Spoon)

Episodes to Agent 41 (35-43)

 * Slide and Turn (Shape Japer)
 * Six Of One (Problem Blob)
 * More 4 (Shape Japer)
 * Square Dancing (Shape Japer)

Episodes to Agent 42 (1-31)

 * The TroubIe With Nothing
 * In, Out, Shake It All About (Puzzler)
 * Seven Wonders (Puzzler)
 * Belongings (Spooky Spoon)
 * Tricky Sixes (Numbertaker)
 * May the Fours Be With You (Shape Japer)
 * Bad Circles (Shape Japer)
 * Famous 5s (Puzzler)

Episodes to Agent 44 (49-67)

 * On the Move (Problem Blob)
 * A Record in the Charts (Puzzler)
 * A Circle at Both Ends (Shape Japer)
 * Fraction Action (Shape Japer)
 * Hundreds and Thousands (Numbertaker)

Episodes to Agent 47 (12-23)

 * Out of Order (Spooky Spoon)
 * Cuck-cuck-cuck-oo-oo-oo (Puzzler)
 * A Game of Two Halves (Shape Japer)
 * Say What You Mean (Problem Blob)

Episode to Agent 49 (46)

 * Counting Down to Christmas (Numbertaker, Shape Japer and Spooky Spoon)

Episodes to Agent 52 (16-21)

 * Stop And Go (Spooky Spoon)
 * Tens Moments

Episodes to Agent 53 (2-28)

 * Going Wrong, Going Long (Problem Blob)
 * One More Time
 * Forward Thinking (Problem Blob)
 * Seven Wonders (Puzzler)
 * Getting Heavy (Spooky Spoon)
 * 4 He's A Jolly Good Fellow (Numbertaker)
 * Bonus Episode: Three Thirds (Shape Japer)

Episodes to Agent 54 (37-44)

 * Time Trouble (Spooky Spoon)
 * 1, 2, 3, Go (Puzzler)
 * Two, Four, Six, Eight (Numbertaker)
 * Data Day (Spooky Spoon)

Episodes to Agent 55 (24-34)

 * One Won (Numbertaker)
 * Tricky Sixes (Numbertaker)
 * Best Estimate (Problem Blob)
 * Zero the Hero (Spooky Spoon)
 * Being 3 (Numbertaker)
 * Into the Teens (Numbertaker)

Episodes to Agent 57 (41-B)

 * Two Four Six Eight (Numbertaker)
 * Bonus Episode: One of Five (Problem Blob)

Episodes to Agent 60 (35-44)

 * Slide and Turn (Shape Japer)
 * Six of One (Problem Blob)
 * 1, 2, 3, Go (Puzzler)
 * Round and Round (Problem Blob)
 * Data Day (Spooky Spoon)

Episodes to Agent 61 (19-21)

 * Out for the Count
 * The Container Drainer (Puzzler)
 * Tens Moments

Episodes to Agent 68 (1-31)

 * The TroubIe With Nothing
 * Going Wrong, Going Long (Problem Blob)
 * One More Time
 * Getting Heavy (Spooky Spoon)
 * Belongings (Spooky Spoon)
 * 4 He's A Jolly Good Fellow (Numbertaker)
 * One Won (Numbertaker)
 * May the Fours Be With You (Shape Japer)
 * Tricky Sixes (Numbertaker)
 * On and Off (Spooky Spoon)
 * Famous 5s (Puzzler)

Episodes to Agent 70 (3-34)

 * Sphere Today, Gone Tomorrow (Shape Japer)
 * In, Out, Shake It All About (Puzzler)
 * Seven Wonders (Puzzler)
 * Takeaway (Numbertaker)
 * Best Estimate (Problem Blob)
 * Bad Circles (Shape Japer)
 * Being 3 (Numbertaker)
 * Into the Teens (Numbertaker)

Episodes to Agent 73 (12-18)

 * Out of Order (Spooky Spoon)
 * Cuck-cuck-cuck-oo-oo-oo (Puzzler)
 * Stop And Go (Spooky Spoon)
 * A Game of Two Halves (Shape Japer)

Episode to Agent 77 (46)

 * Counting Down to Christmas (Numbertaker, Shape Japer and Spooky Spoon)

Episodes to Agent 79 (37-43)

 * Time Trouble (Spooky Spoon)
 * Almost Human (Problem Blob)
 * Two Four Six Eight (Numbertaker)
 * Round and Round (Problem Blob)
 * Square Dancing (Shape Japer)

Episodes to Agent 83 (40-45)

 * Almost Human (Problem Blob)
 * Round and Round (Problem Blob)
 * How? What? Check! (Puzzler)

Episodes to Agent 85 (6-34)

 * Forward Thinking (Problem Blob)
 * Getting Heavy (Spooky Spoon)
 * Boxing Day (Shape Japer)
 * Takeaway (Numbertaker)
 * Tricky Sixes (Numbertaker)
 * On and Off (Spooky Spoon)
 * Zero the Hero (Spooky Spoon)
 * Fair Shares (Problem Blob)
 * Into the Teens (Numbertaker)

Episodes to Agent 88 (12-22)

 * Out of Order (Spooky Spoon)
 * Nine Lives (Puzzler)
 * Off Colour (Spooky Spoon)
 * Tens Moments
 * 3 Things Good (Shape Japer)

Episode to Agent 91 (47)

 * Seaside Adventure (Numbertaker, Problem Blob, Puzzler, Shape Japer and Spooky Spoon)

Episodes to Agent 94 (4-31)

 * In, Out, Shake It All About (Puzzler)
 * One More Time
 * Boxing Day (Shape Japer)
 * One Won (Numbertaker)
 * Bad Circles (Shape Japer)
 * Famous 5s (Puzzler)

Episodes to Agent 95 (37-45)

 * Time Trouble (Spooky Spoon)
 * Almost Human (Problem Blob)
 * Square Dancing (Shape Japer)
 * How? What? Check! (Puzzler)

Episodes to Agent 96 (12-20)

 * Out of Order (Spooky Spoon)
 * Cuck-cuck-cuck-oo-oo-oo (Puzzler)
 * A Game of Two Halves (Shape Japer)
 * Out for the Count
 * The Container Drainer (Puzzler)

Episodes to Agent 100 (13-23)

 * Nine Lives (Puzzler)
 * Stop And Go (Spooky Spoon)
 * Off Colour (Spooky Spoon)
 * Out for the Count
 * The Container Drainer (Puzzler)
 * 3 Things Good (Shape Japer)
 * Say What You Mean (Problem Blob)

Episodes to Agent 101 (3-33)

 * Sphere Today, Gone Tomorrow (Shape Japer)
 * 4 He's A Jolly Good Fellow (Numbertaker)
 * Boxing Day (Shape Japer)
 * Takeaway (Numbertaker)
 * May the Fours Be With You (Shape Japer)
 * Best Estimate (Problem Blob)
 * Fair Shares (Problem Blob)
 * Being 3 (Numbertaker)

Episodes to Agent 106 (35-44)

 * Slide and Turn (Shape Japer)
 * Six of One (Problem Blob)
 * 1, 2, 3, Go (Puzzler)
 * Almost Human (Problem Blob)
 * Round and Round (Problem Blob)
 * Data Day (Spooky Spoon)

Episode to Agents 121 and 122 (47)

 * Seaside Adventure (Numbertaker, Problem Blob, Puzzler, Shape Japer and Spooky Spoon)