40001
Everything about the number 40001 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
Names of 40001
| Nominal | 40001 |
| Cardinal | forty thousand one |
| Ordinal | 40,001st |
| This number as US currency | forty thousand one dollars |
Properties (and some facts) of 40001
| Is 40001 an odd number? | 40001 is an odd number |
| Is 40001 an even number? | 40001 is not an even number |
| Is 40001 a palindrome? | 40001 is not a palindrome |
| Is 40001 a triangle number? | 40001 is not a triangle number |
40001 in other bases
| Base 2 (Binary) | 1001110001000001 |
| Base 3 (Ternary) | 2000212112 |
| Base 4 (Quaternary) | 21301001 |
| Base 5 (Quinary) | 2240001 |
| Base 6 (Senary) | 505105 |
| Base 8 (Octal) | 116101 |
| Base 12 (Duodecimal) | 1B195 |
| Base 16 (Hexadecimal) | 9C41 |
| Base 20 (Vigesimal) | 5001 |
Primes and factors tests for 40001
| Is 40001 a prime number? | 40001 is not a prime number |
| Is 40001 a perfect number? | 40001 is not a perfect number |
| Is 40001 a Mersenne prime? | 40001 is not a Mersenne prime |
| Is 40001 a Fermat prime? | 40001 is not a Fermat prime |
| Is 40001 a Fibonacci prime? | 40001 is not a Fibonacci prime |
| Is 40001 a partition prime? | 40001 is not a partition prime |
| Is 40001 a Pell prime? | 40001 is not a Pell prime |
| Prime Factors | Prime factors of 40001 |
40001 in other numeral systems
| 40001 in Roman numerals | XLI |
| 40001 in Chinese numerals | 肆萬壹 |
| 40001 in Babylonian numerals |    |
| 40001 in Egyptian numerals | 𓂰𓏺 |
Roots and squares for 40001
| Is 40001 a square number? | 40001 is not a square number |
| Is 40001 a cube number? | 40001 is not a cube number |
| Square root of 40001 | 200.00249998438 |
| Cube root of 40001 | 34.19980392715 |
Recreational math for 40001
| Number 40001 reversed | 10004 |
| Sum of the digits | 5 |
| Number of digits | 5 |