31421
Everything about the number 31421 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
Names of 31421
| Nominal | 31421 |
| Cardinal | thirty-one thousand four hundred twenty-one |
| Ordinal | 31,421st |
| This number as US currency | thirty-one thousand four hundred twenty-one dollars |
Properties (and some facts) of 31421
| Is 31421 an odd number? | 31421 is an odd number |
| Is 31421 an even number? | 31421 is not an even number |
| Is 31421 a palindrome? | 31421 is not a palindrome |
| Is 31421 a triangle number? | 31421 is not a triangle number |
31421 in other bases
| Base 2 (Binary) | 111101010111101 |
| Base 3 (Ternary) | 1121002202 |
| Base 4 (Quaternary) | 13222331 |
| Base 5 (Quinary) | 2001141 |
| Base 6 (Senary) | 401245 |
| Base 8 (Octal) | 75275 |
| Base 12 (Duodecimal) | 16225 |
| Base 16 (Hexadecimal) | 7ABD |
| Base 20 (Vigesimal) | 3IB1 |
Primes and factors tests for 31421
| Is 31421 a prime number? | 31421 is not a prime number |
| Is 31421 a perfect number? | 31421 is not a perfect number |
| Is 31421 a Mersenne prime? | 31421 is not a Mersenne prime |
| Is 31421 a Fermat prime? | 31421 is not a Fermat prime |
| Is 31421 a Fibonacci prime? | 31421 is not a Fibonacci prime |
| Is 31421 a partition prime? | 31421 is not a partition prime |
| Is 31421 a Pell prime? | 31421 is not a Pell prime |
| Prime Factors | Prime factors of 31421 |
31421 in other numeral systems
| 31421 in Roman numerals | XXXMCDXXI |
| 31421 in Chinese numerals | 叄萬壹仟肆佰貳拾壹 |
| 31421 in Babylonian numerals |    |
| 31421 in Egyptian numerals | 𓂯𓆼𓍥𓎇𓏺 |
Roots and squares for 31421
| Is 31421 a square number? | 31421 is not a square number |
| Is 31421 a cube number? | 31421 is not a cube number |
| Square root of 31421 | 177.25969649077 |
| Cube root of 31421 | 31.555374171483 |
Recreational math for 31421
| Number 31421 reversed | 12413 |
| Sum of the digits | 11 |
| Number of digits | 5 |