Fifteen (character)

This character has the same name as an episode!

"I don't think I've seen Fifteen (character) before!" — Four
This page is about the character(s). For the episode, see Fifteen (episode).

Fifteen or 15 is a Numberblock made of

Appearance

Fifteen is made of ten white blocks and five blue blocks. She has a navy five-stairs-shaped mask and limbs, pink lips, one white boot and one blue boot. She likes to be a triangle more than a 5 by 3 rectangle. She almost changes to Step Squad.

Prototype Designs

Gabe Sotillo's original design of Fifteen is green and is male with three star-shaped eyes - one is red, one is yellow, and one is blue. He has a blue left arm, a red right arm, and yellow legs.

TSRITW's design is similar to Eight, because he is ANOTHER superhero. He calls Eight his sidekick.

Arifmetix's design is navy with 3 arm-gloves with one star on each; one of which is on her head. She has 3 star eyes, one blue, one green and one blue-green.

Arifmetix's other design has ten white blocks with a red border, and 5 more blue blocks. He wears sunglasses, and has four arms, 2 dark red and 2 dark blue. 3 arms have gloves, the 2 red and the blue, but the gloveless blue arm can stretch. He also has darker blue lips and legs.

MDZ’s 15 is Blue with 3 arms with a glove on each hand 2 at the sides and 1 on top of the head (like Arifmetix’s)

ALARM BOB OMB's design of Fifteen is purple and pink.

Appearances

Fifteen
Tween Scenes
Step Squads

Gallery

Fanart/Prototype Designs

Trivia

Fifteen is the third numberblock who is a multiple of 5.
Fifteen is the only triangle block between 11 to 20, she also an only non-prime number between 11 to 20 of the odd numbers. (5 by 3)
Fifteen is the first rectangle odd number. (First non-prime odd number, 9, is a square numberblock but he cannot be a rectangle)
Fifteen is also the first multiple of five who does not have a star on her eyes but she also doesn’t have a glove, unlike Five and Ten.
Fifteen's numeral means:
- 11 in Senary.
- 13 in Octal.
- 17 in Duodecimal.
- 21 in Hexadecimal.
  - In the hexadecimal system, the numeral for 15 is F.
  - She is the first odd number who's voiced by Teresa Gallagher.

Numberblocks characters

Numberblocks	Discovered	Zero, One, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Eleven, Twelve, Thirteen, Fourteen, Fifteen, Sixteen, Seventeen, Eighteen, Nineteen, Twenty, Twenty-One, Twenty-Two, Twenty-Three, Twenty-Four, Twenty-Five, Twenty-Six, Twenty-Seven, Twenty-Eight, Twenty-Nine, Thirty, Thirty-One, Thirty-Two, Thirty-Five, Thirty-Six, Forty, Forty-Five, Forty-Nine, Fifty, Fifty-Five, Sixty, Sixty-Four, Seventy, Eighty, Eighty-One, Ninety, One Hundred
	Undiscovered / Non-physical	Forty-Two, Ninety-Nine, Two Hundred, Three Hundred, Nine Hundred, One Thousand, Seven Thousand, Ninety Thousand, Seven Million, Orders of Magnitude, Compound Numberblocks
	Alter-Egos	The Terrible Twos, Octoblock, The Three Threes, Octonaughty, Step Squad, The Four Fours
	Non-integers	Pi
Monsters		Flapjack Snaffler, Blockzilla, Big Tum, Twangle
Times Tables		One Times Table, Two Times Table, Three Times Table, Four Times Table, Five Times Table, Ten Times Table
Other		Fluffies, Squarey, Oblongy, Numberblobs, Aliens, Rainbows, Flatlanders, Sheep, Birds, What-Iffer, Rex and Rekenrek, Alphablocks, Colourblocks