Names of 816
| Nominal | 816 |
| Cardinal | eight hundred sixteen |
| Ordinal | 816th |
| This number as US currency | eight hundred sixteen dollars |
| Is 816 an odd number? | 816 is NOT an odd number |
| Is 816 an even number? | 816 is an even number |
| Is 816 a palindrome? | 816 is NOT a palindrome number |
| Is 816 a triangle number? | 816 is NOT a triangle number |
816 in other Bases
| Base 2 (Binary) | 11001100002 |
| Base 3 (Ternary) | 10100203 |
| Base 4 (Quaternary) | 303004 |
| Base 5 (Quinary) | 112315 |
| Base 6 (Senary) | 34406 |
| Base 8 (Octal) | 14608 |
| Base 12 (Duodecimal) | 58012 |
| Base 16 (Hexadecimal) | 33016 |
| Base 20 (Vigesimal) | 20G20 |
Primes and Factors tests for 816
| Is 816 a Prime Number? | 816 is NOT a prime |
| Is 816 a perfect number? | 816 is NOT a perfect number |
| Is 816 a Mersenne Prime? | 816 is NOT a Mersenne prime |
| Is 816 a Fermat Prime? | 816 is NOT a Fermat prime |
| Is 816 a Fibonacci Prime? | 816 is NOT a Fibonacci prime |
| Is 816 a Partition Prime? | 816 is NOT a Partition prime |
| Is 816 a Pell Prime? | 816 is NOT a Pell prime |
| Prime Factors | Prime factors of 816 |
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816 in other Numerals
| 816 in Roman Numeral | DCCCXVI |
| 816 in Chinese Numeral | 捌佰壹拾陸 |
| 816 in Egyptian Numeral | 𓍩𓎆𓏿 |
| 816 in Babylonian Numeral |   |
Roots and stuff for 816
| Is 816 a square number? | 816 is NOT a square number |
| Is 816 a cube number? | 816 is NOT a cube number |
| Square root of the number 816 | 28.565713714171 |
| Cube root of the number 816 | 9.3446574567105 |
Recreational math for 816
| Number 816 reversed | 618 |
| Sum of the digits | 15 |
| No of digits | 3 |