216801
Everything about the number 216801 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
Names of 216801
| Nominal | 216801 |
| Cardinal | two hundred sixteen thousand eight hundred one |
| Ordinal | 216,801st |
| This number as US currency | two hundred sixteen thousand eight hundred one dollars |
Properties (and some facts) of 216801
| Is 216801 an odd number? | 216801 is an odd number |
| Is 216801 an even number? | 216801 is not an even number |
| Is 216801 a palindrome? | 216801 is not a palindrome |
| Is 216801 a triangle number? | 216801 is not a triangle number |
216801 in other bases
| Base 2 (Binary) | 110100111011100001 |
| Base 3 (Ternary) | 102000101200 |
| Base 4 (Quaternary) | 310323201 |
| Base 5 (Quinary) | 23414201 |
| Base 6 (Senary) | 4351413 |
| Base 8 (Octal) | 647341 |
| Base 12 (Duodecimal) | A5569 |
| Base 16 (Hexadecimal) | 34EE1 |
| Base 20 (Vigesimal) | 17201 |
Primes and factors tests for 216801
| Is 216801 a prime number? | 216801 is not a prime number |
| Is 216801 a perfect number? | 216801 is not a perfect number |
| Is 216801 a Mersenne prime? | 216801 is not a Mersenne prime |
| Is 216801 a Fermat prime? | 216801 is not a Fermat prime |
| Is 216801 a Fibonacci prime? | 216801 is not a Fibonacci prime |
| Is 216801 a partition prime? | 216801 is not a partition prime |
| Is 216801 a Pell prime? | 216801 is not a Pell prime |
| Prime Factors | Prime factors of 216801 |
216801 in other numeral systems
| 216801 in Roman numerals | CCXVMDCCCI |
| 216801 in Chinese numerals | 貳拾萬壹萬陸仟捌佰壹 |
| 216801 in Babylonian numerals |    |
| 216801 in Egyptian numerals | 𓆐𓆐𓂭𓇁𓍩𓏺 |
Roots and squares for 216801
| Is 216801 a square number? | 216801 is not a square number |
| Is 216801 a cube number? | 216801 is not a cube number |
| Square root of 216801 | 465.61894291362 |
| Cube root of 216801 | 60.074075176834 |
Recreational math for 216801
| Number 216801 reversed | 108612 |
| Sum of the digits | 18 |
| Number of digits | 6 |