400642
Everything about the number 400642 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
Names of 400642
| Nominal | 400642 |
| Cardinal | four hundred thousand six hundred forty-two |
| Ordinal | 400,642nd |
| This number as US currency | four hundred thousand six hundred forty-two dollars |
Properties (and some facts) of 400642
| Is 400642 an odd number? | 400642 is not an odd number |
| Is 400642 an even number? | 400642 is an even number |
| Is 400642 a palindrome? | 400642 is not a palindrome |
| Is 400642 a triangle number? | 400642 is not a triangle number |
400642 in other bases
| Base 2 (Binary) | 1100001110100000010 |
| Base 3 (Ternary) | 202100120121 |
| Base 4 (Quaternary) | 1201310002 |
| Base 5 (Quinary) | 100310032 |
| Base 6 (Senary) | 12330454 |
| Base 8 (Octal) | 1416402 |
| Base 12 (Duodecimal) | 173A2A |
| Base 16 (Hexadecimal) | 61D02 |
| Base 20 (Vigesimal) | 2A1C2 |
Primes and factors tests for 400642
| Is 400642 a prime number? | 400642 is not a prime number |
| Is 400642 a perfect number? | 400642 is not a perfect number |
| Is 400642 a Mersenne prime? | 400642 is not a Mersenne prime |
| Is 400642 a Fermat prime? | 400642 is not a Fermat prime |
| Is 400642 a Fibonacci prime? | 400642 is not a Fibonacci prime |
| Is 400642 a partition prime? | 400642 is not a partition prime |
| Is 400642 a Pell prime? | 400642 is not a Pell prime |
| Prime Factors | Prime factors of 400642 |
400642 in other numeral systems
| 400642 in Roman numerals | CDDCXLII |
| 400642 in Chinese numerals | 肆拾萬陸佰肆拾貳 |
| 400642 in Babylonian numerals |     |
| 400642 in Egyptian numerals | 𓆐𓆐𓆐𓆐𓍧𓎉𓏻 |
Roots and squares for 400642
| Is 400642 a square number? | 400642 is not a square number |
| Is 400642 a cube number? | 400642 is not a cube number |
| Square root of 400642 | 632.96287410874 |
| Cube root of 400642 | 73.720028039389 |
Recreational math for 400642
| Number 400642 reversed | 246004 |
| Sum of the digits | 16 |
| Number of digits | 6 |