Names of 8121
| Nominal | 8121 |
| Cardinal | eight thousand one hundred twenty-one |
| Ordinal | 8,121st |
| This number as US currency | eight thousand one hundred twenty-one dollars |
| Is 8121 an odd number? | 8121 is an odd number |
| Is 8121 an even number? | 8121 is NOT an even number |
| Is 8121 a palindrome? | 8121 is NOT a palindrome number |
| Is 8121 a triangle number? | 8121 is NOT a triangle number |
8121 in other Bases
| Base 2 (Binary) | 11111101110012 |
| Base 3 (Ternary) | 1020102103 |
| Base 4 (Quaternary) | 13323214 |
| Base 5 (Quinary) | 2244415 |
| Base 6 (Senary) | 1013336 |
| Base 8 (Octal) | 176718 |
| Base 12 (Duodecimal) | 484912 |
| Base 16 (Hexadecimal) | 1FB916 |
| Base 20 (Vigesimal) | 106120 |
Primes and Factors tests for 8121
| Is 8121 a Prime Number? | 8121 is NOT a prime |
| Is 8121 a perfect number? | 8121 is NOT a perfect number |
| Is 8121 a Mersenne Prime? | 8121 is NOT a Mersenne prime |
| Is 8121 a Fermat Prime? | 8121 is NOT a Fermat prime |
| Is 8121 a Fibonacci Prime? | 8121 is NOT a Fibonacci prime |
| Is 8121 a Partition Prime? | 8121 is NOT a Partition prime |
| Is 8121 a Pell Prime? | 8121 is NOT a Pell prime |
| Prime Factors | Prime factors of 8121 |
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8121 in other Numerals
| 8121 in Roman Numeral | VMMMCXXI |
| 8121 in Chinese Numeral | 捌仟壹佰貳拾壹 |
| 8121 in Egyptian Numeral | 𓇃𓍢𓎇𓏺 |
| 8121 in Babylonian Numeral |    |
Roots and stuff for 8121
| Is 8121 a square number? | 8121 is NOT a square number |
| Is 8121 a cube number? | 8121 is NOT a cube number |
| Square root of the number 8121 | 90.116591147247 |
| Cube root of the number 8121 | 20.100329194381 |
Recreational math for 8121
| Number 8121 reversed | 1218 |
| Sum of the digits | 12 |
| No of digits | 4 |