Names of 8221
| Nominal | 8221 |
| Cardinal | eight thousand two hundred twenty-one |
| Ordinal | 8,221st |
| This number as US currency | eight thousand two hundred twenty-one dollars |
| Is 8221 an odd number? | 8221 is an odd number |
| Is 8221 an even number? | 8221 is NOT an even number |
| Is 8221 a palindrome? | 8221 is NOT a palindrome number |
| Is 8221 a triangle number? | 8221 is NOT a triangle number |
8221 in other Bases
| Base 2 (Binary) | 100000000111012 |
| Base 3 (Ternary) | 1020211113 |
| Base 4 (Quaternary) | 20001314 |
| Base 5 (Quinary) | 2303415 |
| Base 6 (Senary) | 1020216 |
| Base 8 (Octal) | 200358 |
| Base 12 (Duodecimal) | 491112 |
| Base 16 (Hexadecimal) | 201D16 |
| Base 20 (Vigesimal) | 10B120 |
Primes and Factors tests for 8221
| Is 8221 a Prime Number? | 8221 is a prime |
| Is 8221 a perfect number? | 8221 is NOT a perfect number |
| Is 8221 a Mersenne Prime? | 8221 is NOT a Mersenne prime |
| Is 8221 a Fermat Prime? | 8221 is NOT a Fermat prime |
| Is 8221 a Fibonacci Prime? | 8221 is NOT a Fibonacci prime |
| Is 8221 a Partition Prime? | 8221 is NOT a Partition prime |
| Is 8221 a Pell Prime? | 8221 is NOT a Pell prime |
| Prime Factors | Prime factors of 8221 |
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8221 in other Numerals
| 8221 in Roman Numeral | VMMMCCXXI |
| 8221 in Chinese Numeral | 捌仟貳佰貳拾壹 |
| 8221 in Egyptian Numeral | 𓇃𓍣𓎇𓏺 |
| 8221 in Babylonian Numeral |    |
Roots and stuff for 8221
| Is 8221 a square number? | 8221 is NOT a square number |
| Is 8221 a cube number? | 8221 is NOT a cube number |
| Square root of the number 8221 | 90.669730340395 |
| Cube root of the number 8221 | 20.182496355653 |
Recreational math for 8221
| Number 8221 reversed | 1228 |
| Sum of the digits | 13 |
| No of digits | 4 |