421801
Everything about the number 421801 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
Names of 421801
| Nominal | 421801 |
| Cardinal | four hundred twenty-one thousand eight hundred one |
| Ordinal | 421,801st |
| This number as US currency | four hundred twenty-one thousand eight hundred one dollars |
Properties (and some facts) of 421801
| Is 421801 an odd number? | 421801 is an odd number |
| Is 421801 an even number? | 421801 is not an even number |
| Is 421801 a palindrome? | 421801 is not a palindrome |
| Is 421801 a triangle number? | 421801 is not a triangle number |
421801 in other bases
| Base 2 (Binary) | 1100110111110101001 |
| Base 3 (Ternary) | 210102121021 |
| Base 4 (Quaternary) | 1212332221 |
| Base 5 (Quinary) | 101444201 |
| Base 6 (Senary) | 13012441 |
| Base 8 (Octal) | 1467651 |
| Base 12 (Duodecimal) | 184121 |
| Base 16 (Hexadecimal) | 66FA9 |
| Base 20 (Vigesimal) | 2CEA1 |
Primes and factors tests for 421801
| Is 421801 a prime number? | 421801 is a prime number |
| Is 421801 a perfect number? | 421801 is not a perfect number |
| Is 421801 a Mersenne prime? | 421801 is not a Mersenne prime |
| Is 421801 a Fermat prime? | 421801 is not a Fermat prime |
| Is 421801 a Fibonacci prime? | 421801 is not a Fibonacci prime |
| Is 421801 a partition prime? | 421801 is not a partition prime |
| Is 421801 a Pell prime? | 421801 is not a Pell prime |
| Prime Factors | Prime factors of 421801 |
421801 in other numeral systems
| 421801 in Roman numerals | CDXXMDCCCI |
| 421801 in Chinese numerals | 肆拾萬貳萬壹仟捌佰壹 |
| 421801 in Babylonian numerals |    |
| 421801 in Egyptian numerals | 𓆐𓆐𓆐𓆐𓂮𓆼𓍩𓏺 |
Roots and squares for 421801
| Is 421801 a square number? | 421801 is not a square number |
| Is 421801 a cube number? | 421801 is not a cube number |
| Square root of 421801 | 649.46208511352 |
| Cube root of 421801 | 74.995614558392 |
Recreational math for 421801
| Number 421801 reversed | 108124 |
| Sum of the digits | 16 |
| Number of digits | 6 |