Names of 41991
| Nominal | 41991 |
| Cardinal | forty-one thousand nine hundred ninety-one |
| Ordinal | 41,991st |
| This number as US currency | forty-one thousand nine hundred ninety-one dollars |
| Is 41991 an odd number? | 41991 is an odd number |
| Is 41991 an even number? | 41991 is NOT an even number |
| Is 41991 a palindrome? | 41991 is NOT a palindrome number |
| Is 41991 a triangle number? | 41991 is NOT a triangle number |
41991 in other Bases
| Base 2 (Binary) | 10100100000001112 |
| Base 3 (Ternary) | 20101210203 |
| Base 4 (Quaternary) | 221000134 |
| Base 5 (Quinary) | 23204315 |
| Base 6 (Senary) | 5222236 |
| Base 8 (Octal) | 1220078 |
| Base 12 (Duodecimal) | 2037312 |
| Base 16 (Hexadecimal) | A40716 |
| Base 20 (Vigesimal) | 54JB20 |
Primes and Factors tests for 41991
| Is 41991 a Prime Number? | 41991 is NOT a prime |
| Is 41991 a perfect number? | 41991 is NOT a perfect number |
| Is 41991 a Mersenne Prime? | 41991 is NOT a Mersenne prime |
| Is 41991 a Fermat Prime? | 41991 is NOT a Fermat prime |
| Is 41991 a Fibonacci Prime? | 41991 is NOT a Fibonacci prime |
| Is 41991 a Partition Prime? | 41991 is NOT a Partition prime |
| Is 41991 a Pell Prime? | 41991 is NOT a Pell prime |
| Prime Factors | Prime factors of 41991 |
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41991 in other Numerals
| 41991 in Roman Numeral | XLMCMXCI |
| 41991 in Chinese Numeral | 肆萬壹仟玖佰玖拾壹 |
| 41991 in Egyptian Numeral | 𓂰𓆼𓍪𓎎𓏺 |
| 41991 in Babylonian Numeral |    |
Roots and stuff for 41991
| Is 41991 a square number? | 41991 is NOT a square number |
| Is 41991 a cube number? | 41991 is NOT a cube number |
| Square root of the number 41991 | 204.91705639112 |
| Cube root of the number 41991 | 34.75778339532 |
Recreational math for 41991
| Number 41991 reversed | 19914 |
| Sum of the digits | 24 |
| No of digits | 5 |