Names of 18820
| Nominal | 18820 |
| Cardinal | eighteen thousand eight hundred twenty |
| Ordinal | 18,820th |
| This number as US currency | eighteen thousand eight hundred twenty dollars |
| Is 18820 an odd number? | 18820 is NOT an odd number |
| Is 18820 an even number? | 18820 is an even number |
| Is 18820 a palindrome? | 18820 is NOT a palindrome number |
| Is 18820 a triangle number? | 18820 is NOT a triangle number |
18820 in other Bases
| Base 2 (Binary) | 1001001100001002 |
| Base 3 (Ternary) | 2212110013 |
| Base 4 (Quaternary) | 102120104 |
| Base 5 (Quinary) | 11002405 |
| Base 6 (Senary) | 2230446 |
| Base 8 (Octal) | 446048 |
| Base 12 (Duodecimal) | AA8412 |
| Base 16 (Hexadecimal) | 498416 |
| Base 20 (Vigesimal) | 271020 |
Primes and Factors tests for 18820
| Is 18820 a Prime Number? | 18820 is NOT a prime |
| Is 18820 a perfect number? | 18820 is NOT a perfect number |
| Is 18820 a Mersenne Prime? | 18820 is NOT a Mersenne prime |
| Is 18820 a Fermat Prime? | 18820 is NOT a Fermat prime |
| Is 18820 a Fibonacci Prime? | 18820 is NOT a Fibonacci prime |
| Is 18820 a Partition Prime? | 18820 is NOT a Partition prime |
| Is 18820 a Pell Prime? | 18820 is NOT a Pell prime |
| Prime Factors | Prime factors of 18820 |
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18820 in other Numerals
| 18820 in Roman Numeral | XVMMMDCCCXX |
| 18820 in Chinese Numeral | 壹萬捌仟捌佰貳拾 |
| 18820 in Egyptian Numeral | 𓂭𓇃𓍩𓎇 |
| 18820 in Babylonian Numeral |    |
Roots and stuff for 18820
| Is 18820 a square number? | 18820 is NOT a square number |
| Is 18820 a cube number? | 18820 is NOT a cube number |
| Square root of the number 18820 | 137.18600511714 |
| Cube root of the number 18820 | 26.599483661562 |
Recreational math for 18820
| Number 18820 reversed | 02881 |
| Sum of the digits | 19 |
| No of digits | 5 |