Names of 198991
| Nominal | 198991 |
| Cardinal | one hundred ninety-eight thousand nine hundred ninety-one |
| Ordinal | 198,991st |
| This number as US currency | one hundred ninety-eight thousand nine hundred ninety-one dollars |
| Is 198991 an odd number? | 198991 is an odd number |
| Is 198991 an even number? | 198991 is NOT an even number |
| Is 198991 a palindrome? | 198991 is NOT a palindrome number |
| Is 198991 a triangle number? | 198991 is NOT a triangle number |
198991 in other Bases
| Base 2 (Binary) | 1100001001010011112 |
| Base 3 (Ternary) | 1010022220013 |
| Base 4 (Quaternary) | 3002110334 |
| Base 5 (Quinary) | 223314315 |
| Base 6 (Senary) | 41331316 |
| Base 8 (Octal) | 6045178 |
| Base 12 (Duodecimal) | 971A712 |
| Base 16 (Hexadecimal) | 3094F16 |
| Base 20 (Vigesimal) | 14H9B20 |
Primes and Factors tests for 198991
| Is 198991 a Prime Number? | 198991 is NOT a prime |
| Is 198991 a perfect number? | 198991 is NOT a perfect number |
| Is 198991 a Mersenne Prime? | 198991 is NOT a Mersenne prime |
| Is 198991 a Fermat Prime? | 198991 is NOT a Fermat prime |
| Is 198991 a Fibonacci Prime? | 198991 is NOT a Fibonacci prime |
| Is 198991 a Partition Prime? | 198991 is NOT a Partition prime |
| Is 198991 a Pell Prime? | 198991 is NOT a Pell prime |
| Prime Factors | Prime factors of 198991 |
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198991 in other Numerals
| 198991 in Roman Numeral | CXCVMMMCMXCI |
| 198991 in Chinese Numeral | 壹拾萬玖萬捌仟玖佰玖拾壹 |
| 198991 in Egyptian Numeral | 𓆐𓂵𓇃𓍪𓎎𓏺 |
| 198991 in Babylonian Numeral |    |
Roots and stuff for 198991
| Is 198991 a square number? | 198991 is NOT a square number |
| Is 198991 a cube number? | 198991 is NOT a cube number |
| Square root of the number 198991 | 446.08407279346 |
| Cube root of the number 198991 | 58.381844453294 |
Recreational math for 198991
| Number 198991 reversed | 199891 |
| Sum of the digits | 37 |
| No of digits | 6 |