80021
Everything about the number 80021 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
Names of 80021
| Nominal | 80021 |
| Cardinal | eighty thousand twenty-one |
| Ordinal | 80,021st |
| This number as US currency | eighty thousand twenty-one dollars |
Properties (and some facts) of 80021
| Is 80021 an odd number? | 80021 is an odd number |
| Is 80021 an even number? | 80021 is not an even number |
| Is 80021 a palindrome? | 80021 is not a palindrome |
| Is 80021 a triangle number? | 80021 is not a triangle number |
80021 in other bases
| Base 2 (Binary) | 10011100010010101 |
| Base 3 (Ternary) | 11001202202 |
| Base 4 (Quaternary) | 103202111 |
| Base 5 (Quinary) | 10030041 |
| Base 6 (Senary) | 1414245 |
| Base 8 (Octal) | 234225 |
| Base 12 (Duodecimal) | 3A385 |
| Base 16 (Hexadecimal) | 13895 |
| Base 20 (Vigesimal) | A011 |
Primes and factors tests for 80021
| Is 80021 a prime number? | 80021 is a prime number |
| Is 80021 a perfect number? | 80021 is not a perfect number |
| Is 80021 a Mersenne prime? | 80021 is not a Mersenne prime |
| Is 80021 a Fermat prime? | 80021 is not a Fermat prime |
| Is 80021 a Fibonacci prime? | 80021 is not a Fibonacci prime |
| Is 80021 a partition prime? | 80021 is not a partition prime |
| Is 80021 a Pell prime? | 80021 is not a Pell prime |
| Prime Factors | Prime factors of 80021 |
80021 in other numeral systems
| 80021 in Roman numerals | LXXXXXI |
| 80021 in Chinese numerals | 捌萬貳拾壹 |
| 80021 in Babylonian numerals |    |
| 80021 in Egyptian numerals | 𓂴𓎇𓏺 |
Roots and squares for 80021
| Is 80021 a square number? | 80021 is not a square number |
| Is 80021 a cube number? | 80021 is not a cube number |
| Square root of 80021 | 282.87983314475 |
| Cube root of 80021 | 43.092463731496 |
Recreational math for 80021
| Number 80021 reversed | 12008 |
| Sum of the digits | 11 |
| Number of digits | 5 |