Names of 61990
| Nominal | 61990 |
| Cardinal | sixty-one thousand nine hundred ninety |
| Ordinal | 61,990th |
| This number as US currency | sixty-one thousand nine hundred ninety dollars |
| Is 61990 an odd number? | 61990 is NOT an odd number |
| Is 61990 an even number? | 61990 is an even number |
| Is 61990 a palindrome? | 61990 is NOT a palindrome number |
| Is 61990 a triangle number? | 61990 is NOT a triangle number |
61990 in other Bases
| Base 2 (Binary) | 11110010001001102 |
| Base 3 (Ternary) | 100110002213 |
| Base 4 (Quaternary) | 330202124 |
| Base 5 (Quinary) | 34404305 |
| Base 6 (Senary) | 11545546 |
| Base 8 (Octal) | 1710468 |
| Base 12 (Duodecimal) | 2BA5A12 |
| Base 16 (Hexadecimal) | F22616 |
| Base 20 (Vigesimal) | 7EJA20 |
Primes and Factors tests for 61990
| Is 61990 a Prime Number? | 61990 is NOT a prime |
| Is 61990 a perfect number? | 61990 is NOT a perfect number |
| Is 61990 a Mersenne Prime? | 61990 is NOT a Mersenne prime |
| Is 61990 a Fermat Prime? | 61990 is NOT a Fermat prime |
| Is 61990 a Fibonacci Prime? | 61990 is NOT a Fibonacci prime |
| Is 61990 a Partition Prime? | 61990 is NOT a Partition prime |
| Is 61990 a Pell Prime? | 61990 is NOT a Pell prime |
| Prime Factors | Prime factors of 61990 |
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61990 in other Numerals
| 61990 in Roman Numeral | LXMCMXC |
| 61990 in Chinese Numeral | 陸萬壹仟玖佰玖拾 |
| 61990 in Egyptian Numeral | 𓂲𓆼𓍪𓎎 |
| 61990 in Babylonian Numeral |    |
Roots and stuff for 61990
| Is 61990 a square number? | 61990 is NOT a square number |
| Is 61990 a cube number? | 61990 is NOT a cube number |
| Square root of the number 61990 | 248.97791066679 |
| Cube root of the number 61990 | 39.576788083676 |
Recreational math for 61990
| Number 61990 reversed | 09916 |
| Sum of the digits | 25 |
| No of digits | 5 |