43
Everything about the number 43 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
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Names of 43
| Nominal | 43 |
| Cardinal | forty-three |
| Ordinal | 43rd |
| This number as US currency | forty-three dollars |
Properties (and some facts) of 43
| Is 43 an odd number? | 43 is an odd number |
| Is 43 an even number? | 43 is not an even number |
| Is 43 a palindrome? | 43 is not a palindrome |
| Is 43 a triangle number? | 43 is not a triangle number |
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43 in other bases
| Base 2 (Binary) | 101011 |
| Base 3 (Ternary) | 1121 |
| Base 4 (Quaternary) | 223 |
| Base 5 (Quinary) | 133 |
| Base 6 (Senary) | 111 |
| Base 8 (Octal) | 53 |
| Base 12 (Duodecimal) | 37 |
| Base 16 (Hexadecimal) | 2B |
| Base 20 (Vigesimal) | 23 |
Primes and factors tests for 43
| Is 43 a prime number? | 43 is a prime number |
| Is 43 a perfect number? | 43 is not a perfect number |
| Is 43 a Mersenne prime? | 43 is not a Mersenne prime |
| Is 43 a Fermat prime? | 43 is not a Fermat prime |
| Is 43 a Fibonacci prime? | 43 is not a Fibonacci prime |
| Is 43 a partition prime? | 43 is not a partition prime |
| Is 43 a Pell prime? | 43 is not a Pell prime |
| Prime Factors | Prime factors of 43 |
43 in other numeral systems
| 43 in Roman numerals | XLIII |
| 43 in Chinese numerals | 肆拾叄 |
| 43 in Babylonian numerals |  |
| 43 in Egyptian numerals | 𓎉𓏼 |
Roots and squares for 43
| Is 43 a square number? | 43 is not a square number |
| Is 43 a cube number? | 43 is not a cube number |
| Square root of 43 | 6.557438524302 |
| Cube root of 43 | 3.5033980603867 |
Recreational math for 43
| Number 43 reversed | 34 |
| Sum of the digits | 7 |
| Number of digits | 2 |
Arithmetic tables for 43
Other pages about 43
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