Names of 199981
| Nominal | 199981 |
| Cardinal | one hundred ninety-nine thousand nine hundred eighty-one |
| Ordinal | 199,981st |
| This number as US currency | one hundred ninety-nine thousand nine hundred eighty-one dollars |
| Is 199981 an odd number? | 199981 is an odd number |
| Is 199981 an even number? | 199981 is NOT an even number |
| Is 199981 a palindrome? | 199981 is NOT a palindrome number |
| Is 199981 a triangle number? | 199981 is NOT a triangle number |
199981 in other Bases
| Base 2 (Binary) | 1100001101001011012 |
| Base 3 (Ternary) | 1010110222013 |
| Base 4 (Quaternary) | 3003102314 |
| Base 5 (Quinary) | 223444115 |
| Base 6 (Senary) | 41415016 |
| Base 8 (Octal) | 6064558 |
| Base 12 (Duodecimal) | 9789112 |
| Base 16 (Hexadecimal) | 30D2D16 |
| Base 20 (Vigesimal) | 14JJ120 |
Primes and Factors tests for 199981
| Is 199981 a Prime Number? | 199981 is NOT a prime |
| Is 199981 a perfect number? | 199981 is NOT a perfect number |
| Is 199981 a Mersenne Prime? | 199981 is NOT a Mersenne prime |
| Is 199981 a Fermat Prime? | 199981 is NOT a Fermat prime |
| Is 199981 a Fibonacci Prime? | 199981 is NOT a Fibonacci prime |
| Is 199981 a Partition Prime? | 199981 is NOT a Partition prime |
| Is 199981 a Pell Prime? | 199981 is NOT a Pell prime |
| Prime Factors | Prime factors of 199981 |
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199981 in other Numerals
| 199981 in Roman Numeral | CXCMXCMLXXXI |
| 199981 in Chinese Numeral | 壹拾萬玖萬玖仟玖佰捌拾壹 |
| 199981 in Egyptian Numeral | 𓆐𓂵𓇄𓍪𓎍𓏺 |
| 199981 in Babylonian Numeral |    |
Roots and stuff for 199981
| Is 199981 a square number? | 199981 is NOT a square number |
| Is 199981 a cube number? | 199981 is NOT a cube number |
| Square root of the number 199981 | 447.19235234963 |
| Cube root of the number 199981 | 58.478502827711 |
Recreational math for 199981
| Number 199981 reversed | 189991 |
| Sum of the digits | 37 |
| No of digits | 6 |