20018
Everything about the number 20018 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
Names of 20018
| Nominal | 20018 |
| Cardinal | twenty thousand eighteen |
| Ordinal | 20,018th |
| This number as US currency | twenty thousand eighteen dollars |
Properties (and some facts) of 20018
| Is 20018 an odd number? | 20018 is not an odd number |
| Is 20018 an even number? | 20018 is an even number |
| Is 20018 a palindrome? | 20018 is not a palindrome |
| Is 20018 a triangle number? | 20018 is not a triangle number |
20018 in other bases
| Base 2 (Binary) | 100111000110010 |
| Base 3 (Ternary) | 1000110102 |
| Base 4 (Quaternary) | 10320302 |
| Base 5 (Quinary) | 1120033 |
| Base 6 (Senary) | 232402 |
| Base 8 (Octal) | 47062 |
| Base 12 (Duodecimal) | B702 |
| Base 16 (Hexadecimal) | 4E32 |
| Base 20 (Vigesimal) | 2A0I |
Primes and factors tests for 20018
| Is 20018 a prime number? | 20018 is not a prime number |
| Is 20018 a perfect number? | 20018 is not a perfect number |
| Is 20018 a Mersenne prime? | 20018 is not a Mersenne prime |
| Is 20018 a Fermat prime? | 20018 is not a Fermat prime |
| Is 20018 a Fibonacci prime? | 20018 is not a Fibonacci prime |
| Is 20018 a partition prime? | 20018 is not a partition prime |
| Is 20018 a Pell prime? | 20018 is not a Pell prime |
| Prime Factors | Prime factors of 20018 |
20018 in other numeral systems
| 20018 in Roman numerals | XXXVIII |
| 20018 in Chinese numerals | 貳萬壹拾捌 |
| 20018 in Babylonian numerals |    |
| 20018 in Egyptian numerals | 𓂮𓎆𓐁 |
Roots and squares for 20018
| Is 20018 a square number? | 20018 is not a square number |
| Is 20018 a cube number? | 20018 is not a cube number |
| Square root of 20018 | 141.48498153514 |
| Cube root of 20018 | 27.152316977044 |
Recreational math for 20018
| Number 20018 reversed | 81002 |
| Sum of the digits | 11 |
| Number of digits | 5 |