4001
Everything about the number 4001 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
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Names of 4001
| Nominal | 4001 |
| Cardinal | four thousand one |
| Ordinal | 4,001st |
| This number as US currency | four thousand one dollars |
Properties (and some facts) of 4001
| Is 4001 an odd number? | 4001 is an odd number |
| Is 4001 an even number? | 4001 is not an even number |
| Is 4001 a palindrome? | 4001 is not a palindrome |
| Is 4001 a triangle number? | 4001 is not a triangle number |
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4001 in other bases
| Base 2 (Binary) | 111110100001 |
| Base 3 (Ternary) | 12111012 |
| Base 4 (Quaternary) | 332201 |
| Base 5 (Quinary) | 112001 |
| Base 6 (Senary) | 30305 |
| Base 8 (Octal) | 7641 |
| Base 12 (Duodecimal) | 2395 |
| Base 16 (Hexadecimal) | FA1 |
| Base 20 (Vigesimal) | A01 |
Primes and factors tests for 4001
| Is 4001 a prime number? | 4001 is a prime number |
| Is 4001 a perfect number? | 4001 is not a perfect number |
| Is 4001 a Mersenne prime? | 4001 is not a Mersenne prime |
| Is 4001 a Fermat prime? | 4001 is not a Fermat prime |
| Is 4001 a Fibonacci prime? | 4001 is not a Fibonacci prime |
| Is 4001 a partition prime? | 4001 is not a partition prime |
| Is 4001 a Pell prime? | 4001 is not a Pell prime |
| Prime Factors | Prime factors of 4001 |
4001 in other numeral systems
| 4001 in Roman numerals | MVI |
| 4001 in Chinese numerals | 肆仟壹 |
| 4001 in Babylonian numerals |    |
| 4001 in Egyptian numerals | 𓆿𓏺 |
Roots and squares for 4001
| Is 4001 a square number? | 4001 is not a square number |
| Is 4001 a cube number? | 4001 is not a cube number |
| Square root of 4001 | 63.253458403474 |
| Cube root of 4001 | 15.875333243671 |
Recreational math for 4001
| Number 4001 reversed | 1004 |
| Sum of the digits | 5 |
| Number of digits | 4 |
Arithmetic tables for 4001
Other pages about 4001
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