87421
Everything about the number 87421 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
Names of 87421
| Nominal | 87421 |
| Cardinal | eighty-seven thousand four hundred twenty-one |
| Ordinal | 87,421st |
| This number as US currency | eighty-seven thousand four hundred twenty-one dollars |
Properties (and some facts) of 87421
| Is 87421 an odd number? | 87421 is an odd number |
| Is 87421 an even number? | 87421 is not an even number |
| Is 87421 a palindrome? | 87421 is not a palindrome |
| Is 87421 a triangle number? | 87421 is not a triangle number |
87421 in other bases
| Base 2 (Binary) | 10101010101111101 |
| Base 3 (Ternary) | 11102220211 |
| Base 4 (Quaternary) | 111111331 |
| Base 5 (Quinary) | 10244141 |
| Base 6 (Senary) | 1512421 |
| Base 8 (Octal) | 252575 |
| Base 12 (Duodecimal) | 42711 |
| Base 16 (Hexadecimal) | 1557D |
| Base 20 (Vigesimal) | AIB1 |
Primes and factors tests for 87421
| Is 87421 a prime number? | 87421 is a prime number |
| Is 87421 a perfect number? | 87421 is not a perfect number |
| Is 87421 a Mersenne prime? | 87421 is not a Mersenne prime |
| Is 87421 a Fermat prime? | 87421 is not a Fermat prime |
| Is 87421 a Fibonacci prime? | 87421 is not a Fibonacci prime |
| Is 87421 a partition prime? | 87421 is not a partition prime |
| Is 87421 a Pell prime? | 87421 is not a Pell prime |
| Prime Factors | Prime factors of 87421 |
87421 in other numeral systems
| 87421 in Roman numerals | LXXXVMMCDXXI |
| 87421 in Chinese numerals | 捌萬柒仟肆佰貳拾壹 |
| 87421 in Babylonian numerals |    |
| 87421 in Egyptian numerals | 𓂴𓇂𓍥𓎇𓏺 |
Roots and squares for 87421
| Is 87421 a square number? | 87421 is not a square number |
| Is 87421 a cube number? | 87421 is not a cube number |
| Square root of 87421 | 295.6704246285 |
| Cube root of 87421 | 44.381835222966 |
Recreational math for 87421
| Number 87421 reversed | 12478 |
| Sum of the digits | 22 |
| Number of digits | 5 |