Names of 13815
| Nominal | 13815 |
| Cardinal | thirteen thousand eight hundred fifteen |
| Ordinal | 13,815th |
| This number as US currency | thirteen thousand eight hundred fifteen dollars |
| Is 13815 an odd number? | 13815 is an odd number |
| Is 13815 an even number? | 13815 is NOT an even number |
| Is 13815 a palindrome? | 13815 is NOT a palindrome number |
| Is 13815 a triangle number? | 13815 is NOT a triangle number |
13815 in other Bases
| Base 2 (Binary) | 110101111101112 |
| Base 3 (Ternary) | 2002212003 |
| Base 4 (Quaternary) | 31133134 |
| Base 5 (Quinary) | 4202305 |
| Base 6 (Senary) | 1435436 |
| Base 8 (Octal) | 327678 |
| Base 12 (Duodecimal) | 7BB312 |
| Base 16 (Hexadecimal) | 35F716 |
| Base 20 (Vigesimal) | 1EAF20 |
Primes and Factors tests for 13815
| Is 13815 a Prime Number? | 13815 is NOT a prime |
| Is 13815 a perfect number? | 13815 is NOT a perfect number |
| Is 13815 a Mersenne Prime? | 13815 is NOT a Mersenne prime |
| Is 13815 a Fermat Prime? | 13815 is NOT a Fermat prime |
| Is 13815 a Fibonacci Prime? | 13815 is NOT a Fibonacci prime |
| Is 13815 a Partition Prime? | 13815 is NOT a Partition prime |
| Is 13815 a Pell Prime? | 13815 is NOT a Pell prime |
| Prime Factors | Prime factors of 13815 |
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13815 in other Numerals
| 13815 in Roman Numeral | XMMMDCCCXV |
| 13815 in Chinese Numeral | 壹萬叄仟捌佰壹拾伍 |
| 13815 in Egyptian Numeral | 𓂭𓆾𓍩𓎆𓏾 |
| 13815 in Babylonian Numeral |    |
Roots and stuff for 13815
| Is 13815 a square number? | 13815 is NOT a square number |
| Is 13815 a cube number? | 13815 is NOT a cube number |
| Square root of the number 13815 | 117.53722814496 |
| Cube root of the number 13815 | 23.994790535977 |
Recreational math for 13815
| Number 13815 reversed | 51831 |
| Sum of the digits | 18 |
| No of digits | 5 |