20000
Everything about the number 20000 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
Names of 20000
| Nominal | 20000 |
| Cardinal | twenty thousand |
| Ordinal | 20,000th |
| This number as US currency | twenty thousand dollars |
Properties (and some facts) of 20000
| Is 20000 an odd number? | 20000 is not an odd number |
| Is 20000 an even number? | 20000 is an even number |
| Is 20000 a palindrome? | 20000 is not a palindrome |
| Is 20000 a triangle number? | 20000 is not a triangle number |
20000 in other bases
| Base 2 (Binary) | 100111000100000 |
| Base 3 (Ternary) | 1000102202 |
| Base 4 (Quaternary) | 10320200 |
| Base 5 (Quinary) | 1120000 |
| Base 6 (Senary) | 232332 |
| Base 8 (Octal) | 47040 |
| Base 12 (Duodecimal) | B6A8 |
| Base 16 (Hexadecimal) | 4E20 |
| Base 20 (Vigesimal) | 2A00 |
Primes and factors tests for 20000
| Is 20000 a prime number? | 20000 is not a prime number |
| Is 20000 a perfect number? | 20000 is not a perfect number |
| Is 20000 a Mersenne prime? | 20000 is not a Mersenne prime |
| Is 20000 a Fermat prime? | 20000 is not a Fermat prime |
| Is 20000 a Fibonacci prime? | 20000 is not a Fibonacci prime |
| Is 20000 a partition prime? | 20000 is not a partition prime |
| Is 20000 a Pell prime? | 20000 is not a Pell prime |
| Prime Factors | Prime factors of 20000 |
20000 in other numeral systems
| 20000 in Roman numerals | XX |
| 20000 in Chinese numerals | 貳萬 |
| 20000 in Babylonian numerals |    |
| 20000 in Egyptian numerals | 𓂮 |
Roots and squares for 20000
| Is 20000 a square number? | 20000 is not a square number |
| Is 20000 a cube number? | 20000 is not a cube number |
| Square root of 20000 | 141.42135623731 |
| Cube root of 20000 | 27.144176165949 |
Recreational math for 20000
| Number 20000 reversed | 00002 |
| Sum of the digits | 2 |
| Number of digits | 5 |