400381
Everything about the number 400381 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
Names of 400381
| Nominal | 400381 |
| Cardinal | four hundred thousand three hundred eighty-one |
| Ordinal | 400,381st |
| This number as US currency | four hundred thousand three hundred eighty-one dollars |
Properties (and some facts) of 400381
| Is 400381 an odd number? | 400381 is an odd number |
| Is 400381 an even number? | 400381 is not an even number |
| Is 400381 a palindrome? | 400381 is not a palindrome |
| Is 400381 a triangle number? | 400381 is not a triangle number |
400381 in other bases
| Base 2 (Binary) | 1100001101111111101 |
| Base 3 (Ternary) | 202100012221 |
| Base 4 (Quaternary) | 1201233331 |
| Base 5 (Quinary) | 100303011 |
| Base 6 (Senary) | 12325341 |
| Base 8 (Octal) | 1415775 |
| Base 12 (Duodecimal) | 173851 |
| Base 16 (Hexadecimal) | 61BFD |
| Base 20 (Vigesimal) | 2A0J1 |
Primes and factors tests for 400381
| Is 400381 a prime number? | 400381 is a prime number |
| Is 400381 a perfect number? | 400381 is not a perfect number |
| Is 400381 a Mersenne prime? | 400381 is not a Mersenne prime |
| Is 400381 a Fermat prime? | 400381 is not a Fermat prime |
| Is 400381 a Fibonacci prime? | 400381 is not a Fibonacci prime |
| Is 400381 a partition prime? | 400381 is not a partition prime |
| Is 400381 a Pell prime? | 400381 is not a Pell prime |
| Prime Factors | Prime factors of 400381 |
400381 in other numeral systems
| 400381 in Roman numerals | CDCCCLXXXI |
| 400381 in Chinese numerals | 肆拾萬叄佰捌拾壹 |
| 400381 in Babylonian numerals |    |
| 400381 in Egyptian numerals | 𓆐𓆐𓆐𓆐𓍤𓎍𓏺 |
Roots and squares for 400381
| Is 400381 a square number? | 400381 is not a square number |
| Is 400381 a cube number? | 400381 is not a cube number |
| Square root of 400381 | 632.75666729004 |
| Cube root of 400381 | 73.704016149284 |
Recreational math for 400381
| Number 400381 reversed | 183004 |
| Sum of the digits | 16 |
| Number of digits | 6 |