Names of 7999
| Nominal | 7999 |
| Cardinal | seven thousand nine hundred ninety-nine |
| Ordinal | 7,999th |
| This number as US currency | seven thousand nine hundred ninety-nine dollars |
| Is 7999 an odd number? | 7999 is an odd number |
| Is 7999 an even number? | 7999 is NOT an even number |
| Is 7999 a palindrome? | 7999 is NOT a palindrome number |
| Is 7999 a triangle number? | 7999 is NOT a triangle number |
7999 in other Bases
| Base 2 (Binary) | 11111001111112 |
| Base 3 (Ternary) | 1012220213 |
| Base 4 (Quaternary) | 13303334 |
| Base 5 (Quinary) | 2234445 |
| Base 6 (Senary) | 1010116 |
| Base 8 (Octal) | 174778 |
| Base 12 (Duodecimal) | 476712 |
| Base 16 (Hexadecimal) | 1F3F16 |
| Base 20 (Vigesimal) | JJJ20 |
Primes and Factors tests for 7999
| Is 7999 a Prime Number? | 7999 is NOT a prime |
| Is 7999 a perfect number? | 7999 is NOT a perfect number |
| Is 7999 a Mersenne Prime? | 7999 is NOT a Mersenne prime |
| Is 7999 a Fermat Prime? | 7999 is NOT a Fermat prime |
| Is 7999 a Fibonacci Prime? | 7999 is NOT a Fibonacci prime |
| Is 7999 a Partition Prime? | 7999 is NOT a Partition prime |
| Is 7999 a Pell Prime? | 7999 is NOT a Pell prime |
| Prime Factors | Prime factors of 7999 |
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7999 in other Numerals
| 7999 in Roman Numeral | VMMCMXCIX |
| 7999 in Chinese Numeral | 柒仟玖佰玖拾玖 |
| 7999 in Egyptian Numeral | 𓇂𓍪𓎎𓐂 |
| 7999 in Babylonian Numeral |    |
Roots and stuff for 7999
| Is 7999 a square number? | 7999 is NOT a square number |
| Is 7999 a cube number? | 7999 is NOT a cube number |
| Square root of the number 7999 | 89.437128755344 |
| Cube root of the number 7999 | 19.999166631942 |
Recreational math for 7999
| Number 7999 reversed | 9997 |
| Sum of the digits | 34 |
| No of digits | 4 |