40000
Everything about the number 40000 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
Names of 40000
| Nominal | 40000 |
| Cardinal | forty thousand |
| Ordinal | 40,000th |
| This number as US currency | forty thousand dollars |
Properties (and some facts) of 40000
| Is 40000 an odd number? | 40000 is not an odd number |
| Is 40000 an even number? | 40000 is an even number |
| Is 40000 a palindrome? | 40000 is not a palindrome |
| Is 40000 a triangle number? | 40000 is not a triangle number |
40000 in other bases
| Base 2 (Binary) | 1001110001000000 |
| Base 3 (Ternary) | 2000212111 |
| Base 4 (Quaternary) | 21301000 |
| Base 5 (Quinary) | 2240000 |
| Base 6 (Senary) | 505104 |
| Base 8 (Octal) | 116100 |
| Base 12 (Duodecimal) | 1B194 |
| Base 16 (Hexadecimal) | 9C40 |
| Base 20 (Vigesimal) | 5000 |
Primes and factors tests for 40000
| Is 40000 a prime number? | 40000 is not a prime number |
| Is 40000 a perfect number? | 40000 is not a perfect number |
| Is 40000 a Mersenne prime? | 40000 is not a Mersenne prime |
| Is 40000 a Fermat prime? | 40000 is not a Fermat prime |
| Is 40000 a Fibonacci prime? | 40000 is not a Fibonacci prime |
| Is 40000 a partition prime? | 40000 is not a partition prime |
| Is 40000 a Pell prime? | 40000 is not a Pell prime |
| Prime Factors | Prime factors of 40000 |
40000 in other numeral systems
| 40000 in Roman numerals | XL |
| 40000 in Chinese numerals | 肆萬 |
| 40000 in Babylonian numerals |    |
| 40000 in Egyptian numerals | 𓂰 |
Roots and squares for 40000
| Is 40000 a square number? | 40000 is a square number |
| Is 40000 a cube number? | 40000 is not a cube number |
| Square root of 40000 | 200 |
| Cube root of 40000 | 34.199518933534 |
Recreational math for 40000
| Number 40000 reversed | 00004 |
| Sum of the digits | 4 |
| Number of digits | 5 |