Names of 393
| Nominal | 393 |
| Cardinal | three hundred ninety-three |
| Ordinal | 393rd |
| This number as US currency | three hundred ninety-three dollars |
| Is 393 an odd number? | 393 is an odd number |
| Is 393 an even number? | 393 is NOT an even number |
| Is 393 a palindrome? | 393 is a palindrome number |
| Is 393 a triangle number? | 393 is NOT a triangle number |
393 in other Bases
| Base 2 (Binary) | 1100010012 |
| Base 3 (Ternary) | 1121203 |
| Base 4 (Quaternary) | 120214 |
| Base 5 (Quinary) | 30335 |
| Base 6 (Senary) | 14536 |
| Base 8 (Octal) | 6118 |
| Base 12 (Duodecimal) | 28912 |
| Base 16 (Hexadecimal) | 18916 |
| Base 20 (Vigesimal) | JD20 |
Primes and Factors tests for 393
| Is 393 a Prime Number? | 393 is NOT a prime |
| Is 393 a perfect number? | 393 is NOT a perfect number |
| Is 393 a Mersenne Prime? | 393 is NOT a Mersenne prime |
| Is 393 a Fermat Prime? | 393 is NOT a Fermat prime |
| Is 393 a Fibonacci Prime? | 393 is NOT a Fibonacci prime |
| Is 393 a Partition Prime? | 393 is NOT a Partition prime |
| Is 393 a Pell Prime? | 393 is NOT a Pell prime |
| Prime Factors | Prime factors of 393 |
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393 in other Numerals
| 393 in Roman Numeral | CCCXCIII |
| 393 in Chinese Numeral | 叄佰玖拾叄 |
| 393 in Egyptian Numeral | 𓍤𓎎𓏼 |
| 393 in Babylonian Numeral |   |
Roots and stuff for 393
| Is 393 a square number? | 393 is NOT a square number |
| Is 393 a cube number? | 393 is NOT a cube number |
| Square root of the number 393 | 19.824227601599 |
| Cube root of the number 393 | 7.3248294446343 |
Recreational math for 393
| Number 393 reversed | 393 |
| Sum of the digits | 15 |
| No of digits | 3 |