491988
Everything about the number 491988 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
Names of 491988
| Nominal | 491988 |
| Cardinal | four hundred ninety-one thousand nine hundred eighty-eight |
| Ordinal | 491,988th |
| This number as US currency | four hundred ninety-one thousand nine hundred eighty-eight dollars |
Properties (and some facts) of 491988
| Is 491988 an odd number? | 491988 is not an odd number |
| Is 491988 an even number? | 491988 is an even number |
| Is 491988 a palindrome? | 491988 is not a palindrome |
| Is 491988 a triangle number? | 491988 is not a triangle number |
491988 in other bases
| Base 2 (Binary) | 1111000000111010100 |
| Base 3 (Ternary) | 220222212210 |
| Base 4 (Quaternary) | 1320013110 |
| Base 5 (Quinary) | 111220423 |
| Base 6 (Senary) | 14313420 |
| Base 8 (Octal) | 1700724 |
| Base 12 (Duodecimal) | 1B8870 |
| Base 16 (Hexadecimal) | 781D4 |
| Base 20 (Vigesimal) | 319J8 |
Primes and factors tests for 491988
| Is 491988 a prime number? | 491988 is not a prime number |
| Is 491988 a perfect number? | 491988 is not a perfect number |
| Is 491988 a Mersenne prime? | 491988 is not a Mersenne prime |
| Is 491988 a Fermat prime? | 491988 is not a Fermat prime |
| Is 491988 a Fibonacci prime? | 491988 is not a Fibonacci prime |
| Is 491988 a partition prime? | 491988 is not a partition prime |
| Is 491988 a Pell prime? | 491988 is not a Pell prime |
| Prime Factors | Prime factors of 491988 |
491988 in other numeral systems
| 491988 in Roman numerals | CDXCMCMLXXXVIII |
| 491988 in Chinese numerals | 肆拾萬玖萬壹仟玖佰捌拾捌 |
| 491988 in Babylonian numerals |     |
| 491988 in Egyptian numerals | 𓆐𓆐𓆐𓆐𓂵𓆼𓍪𓎍𓐁 |
Roots and squares for 491988
| Is 491988 a square number? | 491988 is not a square number |
| Is 491988 a cube number? | 491988 is not a cube number |
| Square root of 491988 | 701.41856262862 |
| Cube root of 491988 | 78.943825899522 |
Recreational math for 491988
| Number 491988 reversed | 889194 |
| Sum of the digits | 39 |
| Number of digits | 6 |