Names of 28221
| Nominal | 28221 |
| Cardinal | twenty-eight thousand two hundred twenty-one |
| Ordinal | 28,221st |
| This number as US currency | twenty-eight thousand two hundred twenty-one dollars |
| Is 28221 an odd number? | 28221 is an odd number |
| Is 28221 an even number? | 28221 is NOT an even number |
| Is 28221 a palindrome? | 28221 is NOT a palindrome number |
| Is 28221 a triangle number? | 28221 is NOT a triangle number |
28221 in other Bases
| Base 2 (Binary) | 1101110001111012 |
| Base 3 (Ternary) | 11022010203 |
| Base 4 (Quaternary) | 123203314 |
| Base 5 (Quinary) | 14003415 |
| Base 6 (Senary) | 3343536 |
| Base 8 (Octal) | 670758 |
| Base 12 (Duodecimal) | 143B912 |
| Base 16 (Hexadecimal) | 6E3D16 |
| Base 20 (Vigesimal) | 3AB120 |
Primes and Factors tests for 28221
| Is 28221 a Prime Number? | 28221 is NOT a prime |
| Is 28221 a perfect number? | 28221 is NOT a perfect number |
| Is 28221 a Mersenne Prime? | 28221 is NOT a Mersenne prime |
| Is 28221 a Fermat Prime? | 28221 is NOT a Fermat prime |
| Is 28221 a Fibonacci Prime? | 28221 is NOT a Fibonacci prime |
| Is 28221 a Partition Prime? | 28221 is NOT a Partition prime |
| Is 28221 a Pell Prime? | 28221 is NOT a Pell prime |
| Prime Factors | Prime factors of 28221 |
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28221 in other Numerals
| 28221 in Roman Numeral | XXVMMMCCXXI |
| 28221 in Chinese Numeral | 貳萬捌仟貳佰貳拾壹 |
| 28221 in Egyptian Numeral | 𓂮𓇃𓍣𓎇𓏺 |
| 28221 in Babylonian Numeral |    |
Roots and stuff for 28221
| Is 28221 a square number? | 28221 is NOT a square number |
| Is 28221 a cube number? | 28221 is NOT a cube number |
| Square root of the number 28221 | 167.9910711913 |
| Cube root of the number 28221 | 30.445571655488 |
Recreational math for 28221
| Number 28221 reversed | 12282 |
| Sum of the digits | 15 |
| No of digits | 5 |