Names of 401990
| Nominal | 401990 |
| Cardinal | four hundred one thousand nine hundred ninety |
| Ordinal | 401,990th |
| This number as US currency | four hundred one thousand nine hundred ninety dollars |
| Is 401990 an odd number? | 401990 is NOT an odd number |
| Is 401990 an even number? | 401990 is an even number |
| Is 401990 a palindrome? | 401990 is NOT a palindrome number |
| Is 401990 a triangle number? | 401990 is NOT a triangle number |
401990 in other Bases
| Base 2 (Binary) | 11000100010010001102 |
| Base 3 (Ternary) | 2021021021123 |
| Base 4 (Quaternary) | 12020210124 |
| Base 5 (Quinary) | 1003304305 |
| Base 6 (Senary) | 123410226 |
| Base 8 (Octal) | 14211068 |
| Base 12 (Duodecimal) | 17477212 |
| Base 16 (Hexadecimal) | 6224616 |
| Base 20 (Vigesimal) | 2A4JA20 |
Primes and Factors tests for 401990
| Is 401990 a Prime Number? | 401990 is NOT a prime |
| Is 401990 a perfect number? | 401990 is NOT a perfect number |
| Is 401990 a Mersenne Prime? | 401990 is NOT a Mersenne prime |
| Is 401990 a Fermat Prime? | 401990 is NOT a Fermat prime |
| Is 401990 a Fibonacci Prime? | 401990 is NOT a Fibonacci prime |
| Is 401990 a Partition Prime? | 401990 is NOT a Partition prime |
| Is 401990 a Pell Prime? | 401990 is NOT a Pell prime |
| Prime Factors | Prime factors of 401990 |
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401990 in other Numerals
| 401990 in Roman Numeral | CDMCMXC |
| 401990 in Chinese Numeral | 肆拾萬壹仟玖佰玖拾 |
| 401990 in Egyptian Numeral | 𓆐𓆐𓆐𓆐𓆼𓍪𓎎 |
| 401990 in Babylonian Numeral |     |
Roots and stuff for 401990
| Is 401990 a square number? | 401990 is NOT a square number |
| Is 401990 a cube number? | 401990 is NOT a cube number |
| Square root of the number 401990 | 634.02681331313 |
| Cube root of the number 401990 | 73.802614948851 |
Recreational math for 401990
| Number 401990 reversed | 099104 |
| Sum of the digits | 23 |
| No of digits | 6 |