Numbers/Words
Two is an even number with an odd number of letters
----
In Chinese, the characters for one, two and three are 一,二,and 三 respectively
Benedict Loong
Singapore
-----
123 - 45 - 67 + 89 = 100
Ashley Newall
-----
The word ארבע (arba) in hebrew which means four has four letters
Gilad Visotsky
-----
NEVER ODD OR EVEN is a Palindromic phrase
Ron Arad
-----
Twelve + One = Eleven + Two
I love the beauty of this numeric/anagram equation for 13
Linda Vanderkolk
-----
12 x 12 = 144 is palindromic to 441 = 21 x 21
Sarah Nahm
-----
‘Forty’ is the only number spelled in alphabetical order
David Goligorsky
-----
In Korean the number 3 is called ‘set’.
SoYun Cho
-----
I was looking at my digital clock last-night and it occurred to me that 4:56 is quite an interesting time.
4 uses four segments of the seven-segment display
5 uses five segments of the seven-segment display
6 uses six segments of the seven-segment display
Samuel J. Mallett

-----
Pente (πεντε) = 5 in Greek, and has 5 letters.
Billy Kiosoglou
-----
In Dutch (and also in German), the number 4 is called: VIER
Mark van den Heuvel
-----
In spanish the number five has the same amount of letters as the number it represents.
5 = CINCO
Jorge Vallecillos
-----
In Danish the number 2 is called ‘to’, the number 3 is called ‘tre’ and the number 4 is called ‘fire’
Jens Dan Johansen
-----
In my dialect ‘Bergamasco’ the first three numbers are:
1 - ù
2 - dù
3 - trì
Marco Fasolini
-----
2 + 2
2 x 2
2 to the power of 2
all = 4
David Grandorge
-----

-----
Six and twelve are the only numbers that in doubling the amount of letters you get the number
Twenty minus five has the same number of letters as the answer
The number of letters that spell; eight trillion and, seventeen quintillion, match the number of digits when written numerically
-----
Four is the only number that has the same number of letters as the number represents