Names of 1813
| Nominal | 1813 |
| Cardinal | one thousand eight hundred thirteen |
| Ordinal | 1,813th |
| This number as US currency | one thousand eight hundred thirteen dollars |
| Is 1813 an odd number? | 1813 is an odd number |
| Is 1813 an even number? | 1813 is NOT an even number |
| Is 1813 a palindrome? | 1813 is NOT a palindrome number |
| Is 1813 a triangle number? | 1813 is NOT a triangle number |
1813 in other Bases
| Base 2 (Binary) | 111000101012 |
| Base 3 (Ternary) | 21110113 |
| Base 4 (Quaternary) | 1301114 |
| Base 5 (Quinary) | 242235 |
| Base 6 (Senary) | 122216 |
| Base 8 (Octal) | 34258 |
| Base 12 (Duodecimal) | 107112 |
| Base 16 (Hexadecimal) | 71516 |
| Base 20 (Vigesimal) | 4AD20 |
Primes and Factors tests for 1813
| Is 1813 a Prime Number? | 1813 is NOT a prime |
| Is 1813 a perfect number? | 1813 is NOT a perfect number |
| Is 1813 a Mersenne Prime? | 1813 is NOT a Mersenne prime |
| Is 1813 a Fermat Prime? | 1813 is NOT a Fermat prime |
| Is 1813 a Fibonacci Prime? | 1813 is NOT a Fibonacci prime |
| Is 1813 a Partition Prime? | 1813 is NOT a Partition prime |
| Is 1813 a Pell Prime? | 1813 is NOT a Pell prime |
| Prime Factors | Prime factors of 1813 |
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1813 in other Numerals
| 1813 in Roman Numeral | MDCCCXIII |
| 1813 in Chinese Numeral | 壹仟捌佰壹拾叄 |
| 1813 in Egyptian Numeral | 𓆼𓍩𓎆𓏼 |
| 1813 in Babylonian Numeral |   |
Roots and stuff for 1813
| Is 1813 a square number? | 1813 is NOT a square number |
| Is 1813 a cube number? | 1813 is NOT a cube number |
| Square root of the number 1813 | 42.579337712088 |
| Cube root of the number 1813 | 12.193618448791 |
Recreational math for 1813
| Number 1813 reversed | 3181 |
| Sum of the digits | 13 |
| No of digits | 4 |