Names of 856
| Nominal | 856 |
| Cardinal | eight hundred fifty-six |
| Ordinal | 856th |
| This number as US currency | eight hundred fifty-six dollars |
| Is 856 an odd number? | 856 is NOT an odd number |
| Is 856 an even number? | 856 is an even number |
| Is 856 a palindrome? | 856 is NOT a palindrome number |
| Is 856 a triangle number? | 856 is NOT a triangle number |
856 in other Bases
| Base 2 (Binary) | 11010110002 |
| Base 3 (Ternary) | 10112013 |
| Base 4 (Quaternary) | 311204 |
| Base 5 (Quinary) | 114115 |
| Base 6 (Senary) | 35446 |
| Base 8 (Octal) | 15308 |
| Base 12 (Duodecimal) | 5B412 |
| Base 16 (Hexadecimal) | 35816 |
| Base 20 (Vigesimal) | 22G20 |
Primes and Factors tests for 856
| Is 856 a Prime Number? | 856 is NOT a prime |
| Is 856 a perfect number? | 856 is NOT a perfect number |
| Is 856 a Mersenne Prime? | 856 is NOT a Mersenne prime |
| Is 856 a Fermat Prime? | 856 is NOT a Fermat prime |
| Is 856 a Fibonacci Prime? | 856 is NOT a Fibonacci prime |
| Is 856 a Partition Prime? | 856 is NOT a Partition prime |
| Is 856 a Pell Prime? | 856 is NOT a Pell prime |
| Prime Factors | Prime factors of 856 |
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856 in other Numerals
| 856 in Roman Numeral | DCCCLVI |
| 856 in Chinese Numeral | 捌佰伍拾陸 |
| 856 in Egyptian Numeral | 𓍩𓎊𓏿 |
| 856 in Babylonian Numeral |   |
Roots and stuff for 856
| Is 856 a square number? | 856 is NOT a square number |
| Is 856 a cube number? | 856 is NOT a cube number |
| Square root of the number 856 | 29.257477676656 |
| Cube root of the number 856 | 9.4949187970468 |
Recreational math for 856
| Number 856 reversed | 658 |
| Sum of the digits | 19 |
| No of digits | 3 |