Names of 1642
| Nominal | 1642 |
| Cardinal | one thousand six hundred forty-two |
| Ordinal | 1,642nd |
| This number as US currency | one thousand six hundred forty-two dollars |
| Is 1642 an odd number? | 1642 is NOT an odd number |
| Is 1642 an even number? | 1642 is an even number |
| Is 1642 a palindrome? | 1642 is NOT a palindrome number |
| Is 1642 a triangle number? | 1642 is NOT a triangle number |
1642 in other Bases
| Base 2 (Binary) | 110011010102 |
| Base 3 (Ternary) | 20202113 |
| Base 4 (Quaternary) | 1212224 |
| Base 5 (Quinary) | 230325 |
| Base 6 (Senary) | 113346 |
| Base 8 (Octal) | 31528 |
| Base 12 (Duodecimal) | B4A12 |
| Base 16 (Hexadecimal) | 66A16 |
| Base 20 (Vigesimal) | 42220 |
Primes and Factors tests for 1642
| Is 1642 a Prime Number? | 1642 is NOT a prime |
| Is 1642 a perfect number? | 1642 is NOT a perfect number |
| Is 1642 a Mersenne Prime? | 1642 is NOT a Mersenne prime |
| Is 1642 a Fermat Prime? | 1642 is NOT a Fermat prime |
| Is 1642 a Fibonacci Prime? | 1642 is NOT a Fibonacci prime |
| Is 1642 a Partition Prime? | 1642 is NOT a Partition prime |
| Is 1642 a Pell Prime? | 1642 is NOT a Pell prime |
| Prime Factors | Prime factors of 1642 |
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1642 in other Numerals
| 1642 in Roman Numeral | MDCXLII |
| 1642 in Chinese Numeral | 壹仟陸佰肆拾貳 |
| 1642 in Egyptian Numeral | 𓆼𓍧𓎉𓏻 |
| 1642 in Babylonian Numeral |   |
Roots and stuff for 1642
| Is 1642 a square number? | 1642 is NOT a square number |
| Is 1642 a cube number? | 1642 is NOT a cube number |
| Square root of the number 1642 | 40.52159917871 |
| Cube root of the number 1642 | 11.797528928123 |
Recreational math for 1642
| Number 1642 reversed | 2461 |
| Sum of the digits | 13 |
| No of digits | 4 |