Names of 19918
| Nominal | 19918 |
| Cardinal | nineteen thousand nine hundred eighteen |
| Ordinal | 19,918th |
| This number as US currency | nineteen thousand nine hundred eighteen dollars |
| Is 19918 an odd number? | 19918 is NOT an odd number |
| Is 19918 an even number? | 19918 is an even number |
| Is 19918 a palindrome? | 19918 is NOT a palindrome number |
| Is 19918 a triangle number? | 19918 is NOT a triangle number |
19918 in other Bases
| Base 2 (Binary) | 1001101110011102 |
| Base 3 (Ternary) | 10000222013 |
| Base 4 (Quaternary) | 103130324 |
| Base 5 (Quinary) | 11141335 |
| Base 6 (Senary) | 2321146 |
| Base 8 (Octal) | 467168 |
| Base 12 (Duodecimal) | B63A12 |
| Base 16 (Hexadecimal) | 4DCE16 |
| Base 20 (Vigesimal) | 29FI20 |
Primes and Factors tests for 19918
| Is 19918 a Prime Number? | 19918 is NOT a prime |
| Is 19918 a perfect number? | 19918 is NOT a perfect number |
| Is 19918 a Mersenne Prime? | 19918 is NOT a Mersenne prime |
| Is 19918 a Fermat Prime? | 19918 is NOT a Fermat prime |
| Is 19918 a Fibonacci Prime? | 19918 is NOT a Fibonacci prime |
| Is 19918 a Partition Prime? | 19918 is NOT a Partition prime |
| Is 19918 a Pell Prime? | 19918 is NOT a Pell prime |
| Prime Factors | Prime factors of 19918 |
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19918 in other Numerals
| 19918 in Roman Numeral | XMXCMXVIII |
| 19918 in Chinese Numeral | 壹萬玖仟玖佰壹拾捌 |
| 19918 in Egyptian Numeral | 𓂭𓇄𓍪𓎆𓐁 |
| 19918 in Babylonian Numeral |    |
Roots and stuff for 19918
| Is 19918 a square number? | 19918 is NOT a square number |
| Is 19918 a cube number? | 19918 is NOT a cube number |
| Square root of the number 19918 | 141.13114468465 |
| Cube root of the number 19918 | 27.107028310102 |
Recreational math for 19918
| Number 19918 reversed | 81991 |
| Sum of the digits | 28 |
| No of digits | 5 |