428
Everything about the number 428 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
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Names of 428
| Nominal | 428 |
| Cardinal | four hundred twenty-eight |
| Ordinal | 428th |
| This number as US currency | four hundred twenty-eight dollars |
Properties (and some facts) of 428
| Is 428 an odd number? | 428 is not an odd number |
| Is 428 an even number? | 428 is an even number |
| Is 428 a palindrome? | 428 is not a palindrome |
| Is 428 a triangle number? | 428 is not a triangle number |
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428 in other bases
| Base 2 (Binary) | 110101100 |
| Base 3 (Ternary) | 120212 |
| Base 4 (Quaternary) | 12230 |
| Base 5 (Quinary) | 3203 |
| Base 6 (Senary) | 1552 |
| Base 8 (Octal) | 654 |
| Base 12 (Duodecimal) | 2B8 |
| Base 16 (Hexadecimal) | 1AC |
| Base 20 (Vigesimal) | 118 |
Primes and factors tests for 428
| Is 428 a prime number? | 428 is not a prime number |
| Is 428 a perfect number? | 428 is not a perfect number |
| Is 428 a Mersenne prime? | 428 is not a Mersenne prime |
| Is 428 a Fermat prime? | 428 is not a Fermat prime |
| Is 428 a Fibonacci prime? | 428 is not a Fibonacci prime |
| Is 428 a partition prime? | 428 is not a partition prime |
| Is 428 a Pell prime? | 428 is not a Pell prime |
| Prime Factors | Prime factors of 428 |
428 in other numeral systems
| 428 in Roman numerals | CDXXVIII |
| 428 in Chinese numerals | 肆佰貳拾捌 |
| 428 in Babylonian numerals |   |
| 428 in Egyptian numerals | 𓍥𓎇𓐁 |
Roots and squares for 428
| Is 428 a square number? | 428 is not a square number |
| Is 428 a cube number? | 428 is not a cube number |
| Square root of 428 | 20.688160865577 |
| Cube root of 428 | 7.5361220433924 |
Recreational math for 428
| Number 428 reversed | 824 |
| Sum of the digits | 14 |
| Number of digits | 3 |
Arithmetic tables for 428
Other pages about 428
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