Names of 1321
| Nominal | 1321 |
| Cardinal | one thousand three hundred twenty-one |
| Ordinal | 1,321st |
| This number as US currency | one thousand three hundred twenty-one dollars |
| Is 1321 an odd number? | 1321 is an odd number |
| Is 1321 an even number? | 1321 is NOT an even number |
| Is 1321 a palindrome? | 1321 is NOT a palindrome number |
| Is 1321 a triangle number? | 1321 is NOT a triangle number |
1321 in other Bases
| Base 2 (Binary) | 101001010012 |
| Base 3 (Ternary) | 12102213 |
| Base 4 (Quaternary) | 1102214 |
| Base 5 (Quinary) | 202415 |
| Base 6 (Senary) | 100416 |
| Base 8 (Octal) | 24518 |
| Base 12 (Duodecimal) | 92112 |
| Base 16 (Hexadecimal) | 52916 |
| Base 20 (Vigesimal) | 36120 |
Primes and Factors tests for 1321
| Is 1321 a Prime Number? | 1321 is a prime |
| Is 1321 a perfect number? | 1321 is NOT a perfect number |
| Is 1321 a Mersenne Prime? | 1321 is NOT a Mersenne prime |
| Is 1321 a Fermat Prime? | 1321 is NOT a Fermat prime |
| Is 1321 a Fibonacci Prime? | 1321 is NOT a Fibonacci prime |
| Is 1321 a Partition Prime? | 1321 is NOT a Partition prime |
| Is 1321 a Pell Prime? | 1321 is NOT a Pell prime |
| Prime Factors | Prime factors of 1321 |
Sponsored
1321 in other Numerals
| 1321 in Roman Numeral | MCCCXXI |
| 1321 in Chinese Numeral | 壹仟叄佰貳拾壹 |
| 1321 in Egyptian Numeral | 𓆼𓍤𓎇𓏺 |
| 1321 in Babylonian Numeral |   |
Roots and stuff for 1321
| Is 1321 a square number? | 1321 is NOT a square number |
| Is 1321 a cube number? | 1321 is NOT a cube number |
| Square root of the number 1321 | 36.345563690772 |
| Cube root of the number 1321 | 10.972382509958 |
Recreational math for 1321
| Number 1321 reversed | 1231 |
| Sum of the digits | 7 |
| No of digits | 4 |