Names of 18818
| Nominal | 18818 |
| Cardinal | eighteen thousand eight hundred eighteen |
| Ordinal | 18,818th |
| This number as US currency | eighteen thousand eight hundred eighteen dollars |
| Is 18818 an odd number? | 18818 is NOT an odd number |
| Is 18818 an even number? | 18818 is an even number |
| Is 18818 a palindrome? | 18818 is NOT a palindrome number |
| Is 18818 a triangle number? | 18818 is NOT a triangle number |
18818 in other Bases
| Base 2 (Binary) | 1001001100000102 |
| Base 3 (Ternary) | 2212102223 |
| Base 4 (Quaternary) | 102120024 |
| Base 5 (Quinary) | 11002335 |
| Base 6 (Senary) | 2230426 |
| Base 8 (Octal) | 446028 |
| Base 12 (Duodecimal) | AA8212 |
| Base 16 (Hexadecimal) | 498216 |
| Base 20 (Vigesimal) | 270I20 |
Primes and Factors tests for 18818
| Is 18818 a Prime Number? | 18818 is NOT a prime |
| Is 18818 a perfect number? | 18818 is NOT a perfect number |
| Is 18818 a Mersenne Prime? | 18818 is NOT a Mersenne prime |
| Is 18818 a Fermat Prime? | 18818 is NOT a Fermat prime |
| Is 18818 a Fibonacci Prime? | 18818 is NOT a Fibonacci prime |
| Is 18818 a Partition Prime? | 18818 is NOT a Partition prime |
| Is 18818 a Pell Prime? | 18818 is NOT a Pell prime |
| Prime Factors | Prime factors of 18818 |
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18818 in other Numerals
| 18818 in Roman Numeral | XVMMMDCCCXVIII |
| 18818 in Chinese Numeral | 壹萬捌仟捌佰壹拾捌 |
| 18818 in Egyptian Numeral | 𓂭𓇃𓍩𓎆𓐁 |
| 18818 in Babylonian Numeral |    |
Roots and stuff for 18818
| Is 18818 a square number? | 18818 is NOT a square number |
| Is 18818 a cube number? | 18818 is NOT a cube number |
| Square root of the number 18818 | 137.17871555019 |
| Cube root of the number 18818 | 26.598541386466 |
Recreational math for 18818
| Number 18818 reversed | 81881 |
| Sum of the digits | 26 |
| No of digits | 5 |