Names of 129991
| Nominal | 129991 |
| Cardinal | one hundred twenty-nine thousand nine hundred ninety-one |
| Ordinal | 129,991st |
| This number as US currency | one hundred twenty-nine thousand nine hundred ninety-one dollars |
| Is 129991 an odd number? | 129991 is an odd number |
| Is 129991 an even number? | 129991 is NOT an even number |
| Is 129991 a palindrome? | 129991 is NOT a palindrome number |
| Is 129991 a triangle number? | 129991 is NOT a triangle number |
129991 in other Bases
| Base 2 (Binary) | 111111011110001112 |
| Base 3 (Ternary) | 201210221113 |
| Base 4 (Quaternary) | 1332330134 |
| Base 5 (Quinary) | 131244315 |
| Base 6 (Senary) | 24414516 |
| Base 8 (Octal) | 3757078 |
| Base 12 (Duodecimal) | 6328712 |
| Base 16 (Hexadecimal) | 1FBC716 |
| Base 20 (Vigesimal) | G4JB20 |
Primes and Factors tests for 129991
| Is 129991 a Prime Number? | 129991 is NOT a prime |
| Is 129991 a perfect number? | 129991 is NOT a perfect number |
| Is 129991 a Mersenne Prime? | 129991 is NOT a Mersenne prime |
| Is 129991 a Fermat Prime? | 129991 is NOT a Fermat prime |
| Is 129991 a Fibonacci Prime? | 129991 is NOT a Fibonacci prime |
| Is 129991 a Partition Prime? | 129991 is NOT a Partition prime |
| Is 129991 a Pell Prime? | 129991 is NOT a Pell prime |
| Prime Factors | Prime factors of 129991 |
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129991 in other Numerals
| 129991 in Roman Numeral | CXXMXCMXCI |
| 129991 in Chinese Numeral | 壹拾萬貳萬玖仟玖佰玖拾壹 |
| 129991 in Egyptian Numeral | 𓆐𓂮𓇄𓍪𓎎𓏺 |
| 129991 in Babylonian Numeral |    |
Roots and stuff for 129991
| Is 129991 a square number? | 129991 is NOT a square number |
| Is 129991 a cube number? | 129991 is NOT a cube number |
| Square root of the number 129991 | 360.54264657596 |
| Cube root of the number 129991 | 50.656801133949 |
Recreational math for 129991
| Number 129991 reversed | 199921 |
| Sum of the digits | 31 |
| No of digits | 6 |