400421
Everything about the number 400421 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
Names of 400421
| Nominal | 400421 |
| Cardinal | four hundred thousand four hundred twenty-one |
| Ordinal | 400,421st |
| This number as US currency | four hundred thousand four hundred twenty-one dollars |
Properties (and some facts) of 400421
| Is 400421 an odd number? | 400421 is an odd number |
| Is 400421 an even number? | 400421 is not an even number |
| Is 400421 a palindrome? | 400421 is not a palindrome |
| Is 400421 a triangle number? | 400421 is not a triangle number |
400421 in other bases
| Base 2 (Binary) | 1100001110000100101 |
| Base 3 (Ternary) | 202100021102 |
| Base 4 (Quaternary) | 1201300211 |
| Base 5 (Quinary) | 100303141 |
| Base 6 (Senary) | 12325445 |
| Base 8 (Octal) | 1416045 |
| Base 12 (Duodecimal) | 173885 |
| Base 16 (Hexadecimal) | 61C25 |
| Base 20 (Vigesimal) | 2A111 |
Primes and factors tests for 400421
| Is 400421 a prime number? | 400421 is not a prime number |
| Is 400421 a perfect number? | 400421 is not a perfect number |
| Is 400421 a Mersenne prime? | 400421 is not a Mersenne prime |
| Is 400421 a Fermat prime? | 400421 is not a Fermat prime |
| Is 400421 a Fibonacci prime? | 400421 is not a Fibonacci prime |
| Is 400421 a partition prime? | 400421 is not a partition prime |
| Is 400421 a Pell prime? | 400421 is not a Pell prime |
| Prime Factors | Prime factors of 400421 |
400421 in other numeral systems
| 400421 in Roman numerals | CDCDXXI |
| 400421 in Chinese numerals | 肆拾萬肆佰貳拾壹 |
| 400421 in Babylonian numerals |     |
| 400421 in Egyptian numerals | 𓆐𓆐𓆐𓆐𓍥𓎇𓏺 |
Roots and squares for 400421
| Is 400421 a square number? | 400421 is not a square number |
| Is 400421 a cube number? | 400421 is not a cube number |
| Square root of 400421 | 632.78827422764 |
| Cube root of 400421 | 73.706470530214 |
Recreational math for 400421
| Number 400421 reversed | 124004 |
| Sum of the digits | 11 |
| Number of digits | 6 |