BigPrimes.net





The number you submitted to be crunched was:

21 - twenty one

It is an odd number.
It is not a palindrome.
It is not a prime number.
It is not a mersenne prime number.
It is not a fermat number.
It is not a perfect number.


It is the 6th triangle number.
It is not a square number.
It is not a cube number.

It is not a factorial number.


It has the following factors:

1
3
7
21


Base 2 (Binary):1 0101
Base 3 (Ternary):210
Base 4 (Quaternary):111
Base 5 (Quintal):41
Base 8 (Octal):25
Base 10 (Denary):21
Base 16 (Hexadecimal):15


Roman Numerals:XXI
Egyptian Numerals:𓎇𓏺
Chinese Numerals:貳拾壹
Babylonian Numerals:21  




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