Everything about the number 426 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
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| Nominal | 426 |
| Cardinal | four hundred twenty-six |
| Ordinal | 426th |
| This number as US currency | four hundred twenty-six dollars |
| Is 426 an odd number? | 426 is not an odd number |
| Is 426 an even number? | 426 is an even number |
| Is 426 a palindrome? | 426 is not a palindrome |
| Is 426 a triangle number? | 426 is not a triangle number |
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| Base 2 (Binary) | 110101010 |
| Base 3 (Ternary) | 120210 |
| Base 4 (Quaternary) | 12222 |
| Base 5 (Quinary) | 3201 |
| Base 6 (Senary) | 1550 |
| Base 8 (Octal) | 652 |
| Base 12 (Duodecimal) | 2B6 |
| Base 16 (Hexadecimal) | 1AA |
| Base 20 (Vigesimal) | 116 |
| Is 426 a prime number? | 426 is not a prime number |
| Is 426 a perfect number? | 426 is not a perfect number |
| Is 426 a Mersenne prime? | 426 is not a Mersenne prime |
| Is 426 a Fermat prime? | 426 is not a Fermat prime |
| Is 426 a Fibonacci prime? | 426 is not a Fibonacci prime |
| Is 426 a partition prime? | 426 is not a partition prime |
| Is 426 a Pell prime? | 426 is not a Pell prime |
| Prime Factors | Prime factors of 426 |
| 426 in Roman numerals | CDXXVI |
| 426 in Chinese numerals | 肆佰貳拾陸 |
| 426 in Babylonian numerals | ![]() |
| 426 in Egyptian numerals | 𓍥𓎇𓏿 |
| Is 426 a square number? | 426 is not a square number |
| Is 426 a cube number? | 426 is not a cube number |
| Square root of 426 | 20.63976744055 |
| Cube root of 426 | 7.5243652036411 |
| Number 426 reversed | 624 |
| Sum of the digits | 12 |
| Number of digits | 3 |
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