Names of 19980
| Nominal | 19980 |
| Cardinal | nineteen thousand nine hundred eighty |
| Ordinal | 19,980th |
| This number as US currency | nineteen thousand nine hundred eighty dollars |
| Is 19980 an odd number? | 19980 is NOT an odd number |
| Is 19980 an even number? | 19980 is an even number |
| Is 19980 a palindrome? | 19980 is NOT a palindrome number |
| Is 19980 a triangle number? | 19980 is NOT a triangle number |
19980 in other Bases
| Base 2 (Binary) | 1001110000011002 |
| Base 3 (Ternary) | 10001020003 |
| Base 4 (Quaternary) | 103200304 |
| Base 5 (Quinary) | 11144105 |
| Base 6 (Senary) | 2323006 |
| Base 8 (Octal) | 470148 |
| Base 12 (Duodecimal) | B69012 |
| Base 16 (Hexadecimal) | 4E0C16 |
| Base 20 (Vigesimal) | 29J020 |
Primes and Factors tests for 19980
| Is 19980 a Prime Number? | 19980 is NOT a prime |
| Is 19980 a perfect number? | 19980 is NOT a perfect number |
| Is 19980 a Mersenne Prime? | 19980 is NOT a Mersenne prime |
| Is 19980 a Fermat Prime? | 19980 is NOT a Fermat prime |
| Is 19980 a Fibonacci Prime? | 19980 is NOT a Fibonacci prime |
| Is 19980 a Partition Prime? | 19980 is NOT a Partition prime |
| Is 19980 a Pell Prime? | 19980 is NOT a Pell prime |
| Prime Factors | Prime factors of 19980 |
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19980 in other Numerals
| 19980 in Roman Numeral | XMXCMLXXX |
| 19980 in Chinese Numeral | 壹萬玖仟玖佰捌拾 |
| 19980 in Egyptian Numeral | 𓂭𓇄𓍪𓎍 |
| 19980 in Babylonian Numeral |   |
Roots and stuff for 19980
| Is 19980 a square number? | 19980 is NOT a square number |
| Is 19980 a cube number? | 19980 is NOT a cube number |
| Square root of the number 19980 | 141.35062787268 |
| Cube root of the number 19980 | 27.135125089531 |
Recreational math for 19980
| Number 19980 reversed | 08991 |
| Sum of the digits | 27 |
| No of digits | 5 |