20101
Everything about the number 20101 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
Names of 20101
| Nominal | 20101 |
| Cardinal | twenty thousand one hundred one |
| Ordinal | 20,101st |
| This number as US currency | twenty thousand one hundred one dollars |
Properties (and some facts) of 20101
| Is 20101 an odd number? | 20101 is an odd number |
| Is 20101 an even number? | 20101 is not an even number |
| Is 20101 a palindrome? | 20101 is not a palindrome |
| Is 20101 a triangle number? | 20101 is not a triangle number |
20101 in other bases
| Base 2 (Binary) | 100111010000101 |
| Base 3 (Ternary) | 1000120111 |
| Base 4 (Quaternary) | 10322011 |
| Base 5 (Quinary) | 1120401 |
| Base 6 (Senary) | 233021 |
| Base 8 (Octal) | 47205 |
| Base 12 (Duodecimal) | B771 |
| Base 16 (Hexadecimal) | 4E85 |
| Base 20 (Vigesimal) | 2A51 |
Primes and factors tests for 20101
| Is 20101 a prime number? | 20101 is a prime number |
| Is 20101 a perfect number? | 20101 is not a perfect number |
| Is 20101 a Mersenne prime? | 20101 is not a Mersenne prime |
| Is 20101 a Fermat prime? | 20101 is not a Fermat prime |
| Is 20101 a Fibonacci prime? | 20101 is not a Fibonacci prime |
| Is 20101 a partition prime? | 20101 is not a partition prime |
| Is 20101 a Pell prime? | 20101 is not a Pell prime |
| Prime Factors | Prime factors of 20101 |
20101 in other numeral systems
| 20101 in Roman numerals | XXCI |
| 20101 in Chinese numerals | 貳萬壹佰壹 |
| 20101 in Babylonian numerals |    |
| 20101 in Egyptian numerals | 𓂮𓍢𓏺 |
Roots and squares for 20101
| Is 20101 a square number? | 20101 is not a square number |
| Is 20101 a cube number? | 20101 is not a cube number |
| Square root of 20101 | 141.77799547179 |
| Cube root of 20101 | 27.189792161524 |
Recreational math for 20101
| Number 20101 reversed | 10102 |
| Sum of the digits | 4 |
| Number of digits | 5 |