Names of 256
| Nominal | 256 |
| Cardinal | two hundred fifty-six |
| Ordinal | 256th |
| This number as US currency | two hundred fifty-six dollars |
| Is 256 an odd number? | 256 is NOT an odd number |
| Is 256 an even number? | 256 is an even number |
| Is 256 a palindrome? | 256 is NOT a palindrome number |
| Is 256 a triangle number? | 256 is NOT a triangle number |
256 in other Bases
| Base 2 (Binary) | 1000000002 |
| Base 3 (Ternary) | 1001113 |
| Base 4 (Quaternary) | 100004 |
| Base 5 (Quinary) | 20115 |
| Base 6 (Senary) | 11046 |
| Base 8 (Octal) | 4008 |
| Base 12 (Duodecimal) | 19412 |
| Base 16 (Hexadecimal) | 10016 |
| Base 20 (Vigesimal) | CG20 |
Primes and Factors tests for 256
| Is 256 a Prime Number? | 256 is NOT a prime |
| Is 256 a perfect number? | 256 is NOT a perfect number |
| Is 256 a Mersenne Prime? | 256 is NOT a Mersenne prime |
| Is 256 a Fermat Prime? | 256 is NOT a Fermat prime |
| Is 256 a Fibonacci Prime? | 256 is NOT a Fibonacci prime |
| Is 256 a Partition Prime? | 256 is NOT a Partition prime |
| Is 256 a Pell Prime? | 256 is NOT a Pell prime |
| Prime Factors | Prime factors of 256 |
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256 in other Numerals
| 256 in Roman Numeral | CCLVI |
| 256 in Chinese Numeral | 貳佰伍拾陸 |
| 256 in Egyptian Numeral | 𓍣𓎊𓏿 |
| 256 in Babylonian Numeral |   |
Roots and stuff for 256
| Is 256 a square number? | 256 is a square number |
| Is 256 a cube number? | 256 is NOT a cube number |
| Square root of the number 256 | 16 |
| Cube root of the number 256 | 6.3496042078728 |
Recreational math for 256
| Number 256 reversed | 652 |
| Sum of the digits | 13 |
| No of digits | 3 |