216428
Everything about the number 216428 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
Names of 216428
| Nominal | 216428 |
| Cardinal | two hundred sixteen thousand four hundred twenty-eight |
| Ordinal | 216,428th |
| This number as US currency | two hundred sixteen thousand four hundred twenty-eight dollars |
Properties (and some facts) of 216428
| Is 216428 an odd number? | 216428 is not an odd number |
| Is 216428 an even number? | 216428 is an even number |
| Is 216428 a palindrome? | 216428 is not a palindrome |
| Is 216428 a triangle number? | 216428 is not a triangle number |
216428 in other bases
| Base 2 (Binary) | 110100110101101100 |
| Base 3 (Ternary) | 101222212212 |
| Base 4 (Quaternary) | 310311230 |
| Base 5 (Quinary) | 23411203 |
| Base 6 (Senary) | 4345552 |
| Base 8 (Octal) | 646554 |
| Base 12 (Duodecimal) | A52B8 |
| Base 16 (Hexadecimal) | 34D6C |
| Base 20 (Vigesimal) | 17118 |
Primes and factors tests for 216428
| Is 216428 a prime number? | 216428 is not a prime number |
| Is 216428 a perfect number? | 216428 is not a perfect number |
| Is 216428 a Mersenne prime? | 216428 is not a Mersenne prime |
| Is 216428 a Fermat prime? | 216428 is not a Fermat prime |
| Is 216428 a Fibonacci prime? | 216428 is not a Fibonacci prime |
| Is 216428 a partition prime? | 216428 is not a partition prime |
| Is 216428 a Pell prime? | 216428 is not a Pell prime |
| Prime Factors | Prime factors of 216428 |
216428 in other numeral systems
| 216428 in Roman numerals | CCXVMCDXXVIII |
| 216428 in Chinese numerals | 貳拾萬壹萬陸仟肆佰貳拾捌 |
| 216428 in Babylonian numerals |    |
| 216428 in Egyptian numerals | 𓆐𓆐𓂭𓇁𓍥𓎇𓐁 |
Roots and squares for 216428
| Is 216428 a square number? | 216428 is not a square number |
| Is 216428 a cube number? | 216428 is not a cube number |
| Square root of 216428 | 465.2182283617 |
| Cube root of 216428 | 60.03960348328 |
Recreational math for 216428
| Number 216428 reversed | 824612 |
| Sum of the digits | 23 |
| Number of digits | 6 |