216401
Everything about the number 216401 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
Names of 216401
| Nominal | 216401 |
| Cardinal | two hundred sixteen thousand four hundred one |
| Ordinal | 216,401st |
| This number as US currency | two hundred sixteen thousand four hundred one dollars |
Properties (and some facts) of 216401
| Is 216401 an odd number? | 216401 is an odd number |
| Is 216401 an even number? | 216401 is not an even number |
| Is 216401 a palindrome? | 216401 is not a palindrome |
| Is 216401 a triangle number? | 216401 is not a triangle number |
216401 in other bases
| Base 2 (Binary) | 110100110101010001 |
| Base 3 (Ternary) | 101222211212 |
| Base 4 (Quaternary) | 310311101 |
| Base 5 (Quinary) | 23411101 |
| Base 6 (Senary) | 4345505 |
| Base 8 (Octal) | 646521 |
| Base 12 (Duodecimal) | A5295 |
| Base 16 (Hexadecimal) | 34D51 |
| Base 20 (Vigesimal) | 17101 |
Primes and factors tests for 216401
| Is 216401 a prime number? | 216401 is a prime number |
| Is 216401 a perfect number? | 216401 is not a perfect number |
| Is 216401 a Mersenne prime? | 216401 is not a Mersenne prime |
| Is 216401 a Fermat prime? | 216401 is not a Fermat prime |
| Is 216401 a Fibonacci prime? | 216401 is not a Fibonacci prime |
| Is 216401 a partition prime? | 216401 is not a partition prime |
| Is 216401 a Pell prime? | 216401 is not a Pell prime |
| Prime Factors | Prime factors of 216401 |
216401 in other numeral systems
| 216401 in Roman numerals | CCXVMCDI |
| 216401 in Chinese numerals | 貳拾萬壹萬陸仟肆佰壹 |
| 216401 in Babylonian numerals |    |
| 216401 in Egyptian numerals | 𓆐𓆐𓂭𓇁𓍥𓏺 |
Roots and squares for 216401
| Is 216401 a square number? | 216401 is not a square number |
| Is 216401 a cube number? | 216401 is not a cube number |
| Square root of 216401 | 465.18920881723 |
| Cube root of 216401 | 60.037106676475 |
Recreational math for 216401
| Number 216401 reversed | 104612 |
| Sum of the digits | 14 |
| Number of digits | 6 |