Names of 19801
| Nominal | 19801 |
| Cardinal | nineteen thousand eight hundred one |
| Ordinal | 19,801st |
| This number as US currency | nineteen thousand eight hundred one dollars |
| Is 19801 an odd number? | 19801 is an odd number |
| Is 19801 an even number? | 19801 is NOT an even number |
| Is 19801 a palindrome? | 19801 is NOT a palindrome number |
| Is 19801 a triangle number? | 19801 is NOT a triangle number |
19801 in other Bases
| Base 2 (Binary) | 1001101010110012 |
| Base 3 (Ternary) | 10000111013 |
| Base 4 (Quaternary) | 103111214 |
| Base 5 (Quinary) | 11132015 |
| Base 6 (Senary) | 2314016 |
| Base 8 (Octal) | 465318 |
| Base 12 (Duodecimal) | B56112 |
| Base 16 (Hexadecimal) | 4D5916 |
| Base 20 (Vigesimal) | 29A120 |
Primes and Factors tests for 19801
| Is 19801 a Prime Number? | 19801 is a prime |
| Is 19801 a perfect number? | 19801 is NOT a perfect number |
| Is 19801 a Mersenne Prime? | 19801 is NOT a Mersenne prime |
| Is 19801 a Fermat Prime? | 19801 is NOT a Fermat prime |
| Is 19801 a Fibonacci Prime? | 19801 is NOT a Fibonacci prime |
| Is 19801 a Partition Prime? | 19801 is NOT a Partition prime |
| Is 19801 a Pell Prime? | 19801 is NOT a Pell prime |
| Prime Factors | Prime factors of 19801 |
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19801 in other Numerals
| 19801 in Roman Numeral | XMXDCCCI |
| 19801 in Chinese Numeral | 壹萬玖仟捌佰壹 |
| 19801 in Egyptian Numeral | 𓂭𓇄𓍩𓏺 |
| 19801 in Babylonian Numeral |    |
Roots and stuff for 19801
| Is 19801 a square number? | 19801 is NOT a square number |
| Is 19801 a cube number? | 19801 is NOT a cube number |
| Square root of the number 19801 | 140.71602609511 |
| Cube root of the number 19801 | 27.0538477266 |
Recreational math for 19801
| Number 19801 reversed | 10891 |
| Sum of the digits | 19 |
| No of digits | 5 |