Names of 398991
| Nominal | 398991 |
| Cardinal | three hundred ninety-eight thousand nine hundred ninety-one |
| Ordinal | 398,991st |
| This number as US currency | three hundred ninety-eight thousand nine hundred ninety-one dollars |
| Is 398991 an odd number? | 398991 is an odd number |
| Is 398991 an even number? | 398991 is NOT an even number |
| Is 398991 a palindrome? | 398991 is NOT a palindrome number |
| Is 398991 a triangle number? | 398991 is NOT a triangle number |
398991 in other Bases
| Base 2 (Binary) | 11000010110100011112 |
| Base 3 (Ternary) | 2020210221103 |
| Base 4 (Quaternary) | 12011220334 |
| Base 5 (Quinary) | 1002314315 |
| Base 6 (Senary) | 123151036 |
| Base 8 (Octal) | 14132178 |
| Base 12 (Duodecimal) | 172A9312 |
| Base 16 (Hexadecimal) | 6168F16 |
| Base 20 (Vigesimal) | 29H9B20 |
Primes and Factors tests for 398991
| Is 398991 a Prime Number? | 398991 is NOT a prime |
| Is 398991 a perfect number? | 398991 is NOT a perfect number |
| Is 398991 a Mersenne Prime? | 398991 is NOT a Mersenne prime |
| Is 398991 a Fermat Prime? | 398991 is NOT a Fermat prime |
| Is 398991 a Fibonacci Prime? | 398991 is NOT a Fibonacci prime |
| Is 398991 a Partition Prime? | 398991 is NOT a Partition prime |
| Is 398991 a Pell Prime? | 398991 is NOT a Pell prime |
| Prime Factors | Prime factors of 398991 |
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398991 in other Numerals
| 398991 in Roman Numeral | CCCXCVMMMCMXCI |
| 398991 in Chinese Numeral | 叄拾萬玖萬捌仟玖佰玖拾壹 |
| 398991 in Egyptian Numeral | 𓆐𓆐𓆐𓂵𓇃𓍪𓎎𓏺 |
| 398991 in Babylonian Numeral |     |
Roots and stuff for 398991
| Is 398991 a square number? | 398991 is NOT a square number |
| Is 398991 a cube number? | 398991 is NOT a cube number |
| Square root of the number 398991 | 631.65734381862 |
| Cube root of the number 398991 | 73.618624677725 |
Recreational math for 398991
| Number 398991 reversed | 199893 |
| Sum of the digits | 39 |
| No of digits | 6 |