Names of 9999
| Nominal | 9999 |
| Cardinal | nine thousand nine hundred ninety-nine |
| Ordinal | 9,999th |
| This number as US currency | nine thousand nine hundred ninety-nine dollars |
| Is 9999 an odd number? | 9999 is an odd number |
| Is 9999 an even number? | 9999 is NOT an even number |
| Is 9999 a palindrome? | 9999 is a palindrome number |
| Is 9999 a triangle number? | 9999 is NOT a triangle number |
9999 in other Bases
| Base 2 (Binary) | 100111000011112 |
| Base 3 (Ternary) | 1112011003 |
| Base 4 (Quaternary) | 21300334 |
| Base 5 (Quinary) | 3044445 |
| Base 6 (Senary) | 1141436 |
| Base 8 (Octal) | 234178 |
| Base 12 (Duodecimal) | 595312 |
| Base 16 (Hexadecimal) | 270F16 |
| Base 20 (Vigesimal) | 14JJ20 |
Primes and Factors tests for 9999
| Is 9999 a Prime Number? | 9999 is NOT a prime |
| Is 9999 a perfect number? | 9999 is NOT a perfect number |
| Is 9999 a Mersenne Prime? | 9999 is NOT a Mersenne prime |
| Is 9999 a Fermat Prime? | 9999 is NOT a Fermat prime |
| Is 9999 a Fibonacci Prime? | 9999 is NOT a Fibonacci prime |
| Is 9999 a Partition Prime? | 9999 is NOT a Partition prime |
| Is 9999 a Pell Prime? | 9999 is NOT a Pell prime |
| Prime Factors | Prime factors of 9999 |
Sponsored
9999 in other Numerals
| 9999 in Roman Numeral | MXCMXCIX |
| 9999 in Chinese Numeral | 玖仟玖佰玖拾玖 |
| 9999 in Egyptian Numeral | 𓇄𓍪𓎎𓐂 |
| 9999 in Babylonian Numeral |    |
Roots and stuff for 9999
| Is 9999 a square number? | 9999 is NOT a square number |
| Is 9999 a cube number? | 9999 is NOT a cube number |
| Square root of the number 9999 | 99.994999874994 |
| Cube root of the number 9999 | 21.543628731483 |
Recreational math for 9999
| Number 9999 reversed | 9999 |
| Sum of the digits | 36 |
| No of digits | 4 |