Names of 18218
| Nominal | 18218 |
| Cardinal | eighteen thousand two hundred eighteen |
| Ordinal | 18,218th |
| This number as US currency | eighteen thousand two hundred eighteen dollars |
| Is 18218 an odd number? | 18218 is NOT an odd number |
| Is 18218 an even number? | 18218 is an even number |
| Is 18218 a palindrome? | 18218 is NOT a palindrome number |
| Is 18218 a triangle number? | 18218 is NOT a triangle number |
18218 in other Bases
| Base 2 (Binary) | 1000111001010102 |
| Base 3 (Ternary) | 2202222023 |
| Base 4 (Quaternary) | 101302224 |
| Base 5 (Quinary) | 10403335 |
| Base 6 (Senary) | 2202026 |
| Base 8 (Octal) | 434528 |
| Base 12 (Duodecimal) | A66212 |
| Base 16 (Hexadecimal) | 472A16 |
| Base 20 (Vigesimal) | 25AI20 |
Primes and Factors tests for 18218
| Is 18218 a Prime Number? | 18218 is NOT a prime |
| Is 18218 a perfect number? | 18218 is NOT a perfect number |
| Is 18218 a Mersenne Prime? | 18218 is NOT a Mersenne prime |
| Is 18218 a Fermat Prime? | 18218 is NOT a Fermat prime |
| Is 18218 a Fibonacci Prime? | 18218 is NOT a Fibonacci prime |
| Is 18218 a Partition Prime? | 18218 is NOT a Partition prime |
| Is 18218 a Pell Prime? | 18218 is NOT a Pell prime |
| Prime Factors | Prime factors of 18218 |
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18218 in other Numerals
| 18218 in Roman Numeral | XVMMMCCXVIII |
| 18218 in Chinese Numeral | 壹萬捌仟貳佰壹拾捌 |
| 18218 in Egyptian Numeral | 𓂭𓇃𓍣𓎆𓐁 |
| 18218 in Babylonian Numeral |    |
Roots and stuff for 18218
| Is 18218 a square number? | 18218 is NOT a square number |
| Is 18218 a cube number? | 18218 is NOT a cube number |
| Square root of the number 18218 | 134.97407158414 |
| Cube root of the number 18218 | 26.312789973917 |
Recreational math for 18218
| Number 18218 reversed | 81281 |
| Sum of the digits | 20 |
| No of digits | 5 |