Names of 845
| Nominal | 845 |
| Cardinal | eight hundred forty-five |
| Ordinal | 845th |
| This number as US currency | eight hundred forty-five dollars |
| Is 845 an odd number? | 845 is an odd number |
| Is 845 an even number? | 845 is NOT an even number |
| Is 845 a palindrome? | 845 is NOT a palindrome number |
| Is 845 a triangle number? | 845 is NOT a triangle number |
845 in other Bases
| Base 2 (Binary) | 11010011012 |
| Base 3 (Ternary) | 10110223 |
| Base 4 (Quaternary) | 310314 |
| Base 5 (Quinary) | 113405 |
| Base 6 (Senary) | 35256 |
| Base 8 (Octal) | 15158 |
| Base 12 (Duodecimal) | 5A512 |
| Base 16 (Hexadecimal) | 34D16 |
| Base 20 (Vigesimal) | 22520 |
Primes and Factors tests for 845
| Is 845 a Prime Number? | 845 is NOT a prime |
| Is 845 a perfect number? | 845 is NOT a perfect number |
| Is 845 a Mersenne Prime? | 845 is NOT a Mersenne prime |
| Is 845 a Fermat Prime? | 845 is NOT a Fermat prime |
| Is 845 a Fibonacci Prime? | 845 is NOT a Fibonacci prime |
| Is 845 a Partition Prime? | 845 is NOT a Partition prime |
| Is 845 a Pell Prime? | 845 is NOT a Pell prime |
| Prime Factors | Prime factors of 845 |
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845 in other Numerals
| 845 in Roman Numeral | DCCCXLV |
| 845 in Chinese Numeral | 捌佰肆拾伍 |
| 845 in Egyptian Numeral | 𓍩𓎉𓏾 |
| 845 in Babylonian Numeral |   |
Roots and stuff for 845
| Is 845 a square number? | 845 is NOT a square number |
| Is 845 a cube number? | 845 is NOT a cube number |
| Square root of the number 845 | 29.068883707497 |
| Cube root of the number 845 | 9.4540719459828 |
Recreational math for 845
| Number 845 reversed | 548 |
| Sum of the digits | 17 |
| No of digits | 3 |