Twenty-One

“WHO KNOWS WHAT AWAITS YOU?”

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Twenty-One, or 21, is a character that is made of 21 blocks. She is voiced by Emma Tate.

Appearance

Twenty-One originally appeared as literally "Twenty + One". Most fans argued that it wasn't her actual design, which proved to be correct. Twenty-One wears camping luggage and a green Tyrolean hat with three rainbow coloured "feathers", because she is 3x7. She wears a stepmask because she is the 6th step squad, and two boots, apricot and red. She can also be seen holding a walking stick.

Episode Appearances

I Can Count to Twenty (compound)
Twenty-One and On (compound and figured-out)
We're Going on a Square Hunt (compound and figured-out)
The Big One (compound)
More to Explore
How Rectangly!
The Team Factor
Hidden Talents
Making Patterns
Club Picnic
Too Many Threes
Circus of Threes
Figure It Out
Steps Versus Squares
One Giant Step Squad
100 Ways to Leave the Planet
The Treasure of Hexagon Island (debut of "Captain Hexbeard" alter-ego)
Making Friends
Crossover (icon)
- Total: 16 + 1 picture (figured-out) 4 (compound)

Arrangements

Number Explorer Twenty-One is the smallest number that first appeared as a compound. She is usually seen as 3x7 or a staircase shape with six steps.

2D (52/88,983,512,783)

Figured-Out (43)

Compound Only (9)

Gallery

Trivia

Twenty and One

21 was the first Numberblock to have more than two eyes and one mouth.
- They were also the first Numberblock to have two faces.
The fact that the 21 in I Can Count to Twenty is just 20 and 1 conjoined reflects how the Alphablocks form digraphs and trigraphs in their show (For example: Q conjoins herself with U to form the digraph "qu"; H, with C, S, and T, form "ch", "sh", and "th" respectively; I, G, and H form the trigraph "igh"; two O's conjoin with each other to form "oo", etc.).

Twenty-One's own character

Twenty-One is the first Numberblock to exceed Twenty.
She is the second character to have a permanent step squad mask. The first being Fifteen.
- One, Three, Six and Ten had step squad masks in Step Squads, but they weren't permanent.
It's possible that Twenty-One had an early design concept before her final one. Her appearance as sketched the storyboard of We're Going On A Square Hunt (viewable in this compilation) looks quite different. In it, she has no hat or backpack, her face is on the bottom of her blocks, and she seems to have hair similar to Seven's.

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, 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, Birds, What-Iffer