Names of 9966
| Nominal | 9966 |
| Cardinal | nine thousand nine hundred sixty-six |
| Ordinal | 9,966th |
| This number as US currency | nine thousand nine hundred sixty-six dollars |
| Is 9966 an odd number? | 9966 is NOT an odd number |
| Is 9966 an even number? | 9966 is an even number |
| Is 9966 a palindrome? | 9966 is NOT a palindrome number |
| Is 9966 a triangle number? | 9966 is NOT a triangle number |
9966 in other Bases
| Base 2 (Binary) | 100110111011102 |
| Base 3 (Ternary) | 1112000103 |
| Base 4 (Quaternary) | 21232324 |
| Base 5 (Quinary) | 3043315 |
| Base 6 (Senary) | 1140506 |
| Base 8 (Octal) | 233568 |
| Base 12 (Duodecimal) | 592612 |
| Base 16 (Hexadecimal) | 26EE16 |
| Base 20 (Vigesimal) | 14I620 |
Primes and Factors tests for 9966
| Is 9966 a Prime Number? | 9966 is NOT a prime |
| Is 9966 a perfect number? | 9966 is NOT a perfect number |
| Is 9966 a Mersenne Prime? | 9966 is NOT a Mersenne prime |
| Is 9966 a Fermat Prime? | 9966 is NOT a Fermat prime |
| Is 9966 a Fibonacci Prime? | 9966 is NOT a Fibonacci prime |
| Is 9966 a Partition Prime? | 9966 is NOT a Partition prime |
| Is 9966 a Pell Prime? | 9966 is NOT a Pell prime |
| Prime Factors | Prime factors of 9966 |
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9966 in other Numerals
| 9966 in Roman Numeral | MXCMLXVI |
| 9966 in Chinese Numeral | 玖仟玖佰陸拾陸 |
| 9966 in Egyptian Numeral | 𓇄𓍪𓎋𓏿 |
| 9966 in Babylonian Numeral |    |
Roots and stuff for 9966
| Is 9966 a square number? | 9966 is NOT a square number |
| Is 9966 a cube number? | 9966 is NOT a cube number |
| Square root of the number 9966 | 99.829855253827 |
| Cube root of the number 9966 | 21.519902248926 |
Recreational math for 9966
| Number 9966 reversed | 6699 |
| Sum of the digits | 30 |
| No of digits | 4 |