Names of 199991
| Nominal | 199991 |
| Cardinal | one hundred ninety-nine thousand nine hundred ninety-one |
| Ordinal | 199,991st |
| This number as US currency | one hundred ninety-nine thousand nine hundred ninety-one dollars |
| Is 199991 an odd number? | 199991 is an odd number |
| Is 199991 an even number? | 199991 is NOT an even number |
| Is 199991 a palindrome? | 199991 is a palindrome number |
| Is 199991 a triangle number? | 199991 is NOT a triangle number |
199991 in other Bases
| Base 2 (Binary) | 1100001101001101112 |
| Base 3 (Ternary) | 1010111000023 |
| Base 4 (Quaternary) | 3003103134 |
| Base 5 (Quinary) | 223444315 |
| Base 6 (Senary) | 41415156 |
| Base 8 (Octal) | 6064678 |
| Base 12 (Duodecimal) | 9789B12 |
| Base 16 (Hexadecimal) | 30D3716 |
| Base 20 (Vigesimal) | 14JJB20 |
Primes and Factors tests for 199991
| Is 199991 a Prime Number? | 199991 is NOT a prime |
| Is 199991 a perfect number? | 199991 is NOT a perfect number |
| Is 199991 a Mersenne Prime? | 199991 is NOT a Mersenne prime |
| Is 199991 a Fermat Prime? | 199991 is NOT a Fermat prime |
| Is 199991 a Fibonacci Prime? | 199991 is NOT a Fibonacci prime |
| Is 199991 a Partition Prime? | 199991 is NOT a Partition prime |
| Is 199991 a Pell Prime? | 199991 is NOT a Pell prime |
| Prime Factors | Prime factors of 199991 |
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199991 in other Numerals
| 199991 in Roman Numeral | CXCMXCMXCI |
| 199991 in Chinese Numeral | 壹拾萬玖萬玖仟玖佰玖拾壹 |
| 199991 in Egyptian Numeral | 𓆐𓂵𓇄𓍪𓎎𓏺 |
| 199991 in Babylonian Numeral |    |
Roots and stuff for 199991
| Is 199991 a square number? | 199991 is NOT a square number |
| Is 199991 a cube number? | 199991 is NOT a cube number |
| Square root of the number 199991 | 447.20353308086 |
| Cube root of the number 199991 | 58.479477545777 |
Recreational math for 199991
| Number 199991 reversed | 199991 |
| Sum of the digits | 38 |
| No of digits | 6 |