Names of 28001
| Nominal | 28001 |
| Cardinal | twenty-eight thousand one |
| Ordinal | 28,001st |
| This number as US currency | twenty-eight thousand one dollars |
| Is 28001 an odd number? | 28001 is an odd number |
| Is 28001 an even number? | 28001 is NOT an even number |
| Is 28001 a palindrome? | 28001 is NOT a palindrome number |
| Is 28001 a triangle number? | 28001 is NOT a triangle number |
28001 in other Bases
| Base 2 (Binary) | 1101101011000012 |
| Base 3 (Ternary) | 11021020023 |
| Base 4 (Quaternary) | 123112014 |
| Base 5 (Quinary) | 13440015 |
| Base 6 (Senary) | 3333456 |
| Base 8 (Octal) | 665418 |
| Base 12 (Duodecimal) | 1425512 |
| Base 16 (Hexadecimal) | 6D6116 |
| Base 20 (Vigesimal) | 3A0120 |
Primes and Factors tests for 28001
| Is 28001 a Prime Number? | 28001 is a prime |
| Is 28001 a perfect number? | 28001 is NOT a perfect number |
| Is 28001 a Mersenne Prime? | 28001 is NOT a Mersenne prime |
| Is 28001 a Fermat Prime? | 28001 is NOT a Fermat prime |
| Is 28001 a Fibonacci Prime? | 28001 is NOT a Fibonacci prime |
| Is 28001 a Partition Prime? | 28001 is NOT a Partition prime |
| Is 28001 a Pell Prime? | 28001 is NOT a Pell prime |
| Prime Factors | Prime factors of 28001 |
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28001 in other Numerals
| 28001 in Roman Numeral | XXVMMMI |
| 28001 in Chinese Numeral | 貳萬捌仟壹 |
| 28001 in Egyptian Numeral | 𓂮𓇃𓏺 |
| 28001 in Babylonian Numeral |    |
Roots and stuff for 28001
| Is 28001 a square number? | 28001 is NOT a square number |
| Is 28001 a cube number? | 28001 is NOT a cube number |
| Square root of the number 28001 | 167.33499335166 |
| Cube root of the number 28001 | 30.36625121314 |
Recreational math for 28001
| Number 28001 reversed | 10082 |
| Sum of the digits | 11 |
| No of digits | 5 |