Names of 72991
| Nominal | 72991 |
| Cardinal | seventy-two thousand nine hundred ninety-one |
| Ordinal | 72,991st |
| This number as US currency | seventy-two thousand nine hundred ninety-one dollars |
| Is 72991 an odd number? | 72991 is an odd number |
| Is 72991 an even number? | 72991 is NOT an even number |
| Is 72991 a palindrome? | 72991 is NOT a palindrome number |
| Is 72991 a triangle number? | 72991 is NOT a triangle number |
72991 in other Bases
| Base 2 (Binary) | 100011101000111112 |
| Base 3 (Ternary) | 102010101013 |
| Base 4 (Quaternary) | 1013101334 |
| Base 5 (Quinary) | 43134315 |
| Base 6 (Senary) | 13215316 |
| Base 8 (Octal) | 2164378 |
| Base 12 (Duodecimal) | 362A712 |
| Base 16 (Hexadecimal) | 11D1F16 |
| Base 20 (Vigesimal) | 929B20 |
Primes and Factors tests for 72991
| Is 72991 a Prime Number? | 72991 is NOT a prime |
| Is 72991 a perfect number? | 72991 is NOT a perfect number |
| Is 72991 a Mersenne Prime? | 72991 is NOT a Mersenne prime |
| Is 72991 a Fermat Prime? | 72991 is NOT a Fermat prime |
| Is 72991 a Fibonacci Prime? | 72991 is NOT a Fibonacci prime |
| Is 72991 a Partition Prime? | 72991 is NOT a Partition prime |
| Is 72991 a Pell Prime? | 72991 is NOT a Pell prime |
| Prime Factors | Prime factors of 72991 |
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72991 in other Numerals
| 72991 in Roman Numeral | LXXMMCMXCI |
| 72991 in Chinese Numeral | 柒萬貳仟玖佰玖拾壹 |
| 72991 in Egyptian Numeral | 𓂳𓆽𓍪𓎎𓏺 |
| 72991 in Babylonian Numeral |    |
Roots and stuff for 72991
| Is 72991 a square number? | 72991 is NOT a square number |
| Is 72991 a cube number? | 72991 is NOT a cube number |
| Square root of the number 72991 | 270.16846596152 |
| Cube root of the number 72991 | 41.791674356568 |
Recreational math for 72991
| Number 72991 reversed | 19927 |
| Sum of the digits | 28 |
| No of digits | 5 |