1642
Everything about the number 1642 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
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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 |
Properties (and some facts) of 1642
| 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 |
| Is 1642 a triangle number? | 1642 is not a triangle number |
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1642 in other bases
| Base 2 (Binary) | 11001101010 |
| Base 3 (Ternary) | 2020211 |
| Base 4 (Quaternary) | 121222 |
| Base 5 (Quinary) | 23032 |
| Base 6 (Senary) | 11334 |
| Base 8 (Octal) | 3152 |
| Base 12 (Duodecimal) | B4A |
| Base 16 (Hexadecimal) | 66A |
| Base 20 (Vigesimal) | 422 |
Primes and factors tests for 1642
| Is 1642 a prime number? | 1642 is not a prime number |
| 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 |
1642 in other numeral systems
| 1642 in Roman numerals | MDCXLII |
| 1642 in Chinese numerals | 壹仟陸佰肆拾貳 |
| 1642 in Babylonian numerals |   |
| 1642 in Egyptian numerals | 𓆼𓍧𓎉𓏻 |
Roots and squares 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 1642 | 40.52159917871 |
| Cube root of 1642 | 11.797528928123 |
Recreational math for 1642
| Number 1642 reversed | 2461 |
| Sum of the digits | 13 |
| Number of digits | 4 |
Arithmetic tables for 1642
Other pages about 1642
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