The number 2001

Representation numerals

Greek numeral

͵βαʹ

Arabic numeral

٢٠٠١

Roman numeral

MMI

Maya numeral

▃▃▃▃▃

Chinese numeral

二千零一

Hebrew numeral

ב׳ א
Numeral systems
Binary: 11111010001
Septimal (base 7): 5556
Octal: 3721
Hexadecimal: 7d1
Base 24: 3B9
Factorization
2001 = 3 × 23 × 29
2001 has 8 divisors: 1, 3, 23, 29, 69, 87, 667, 2001
Sum of all divisors other than 2001: 879
Sums & differences
Difference of 2 squares: 2001 = 492 - 202 = 552 - 322 = 3352 - 3322 = 10012 - 10002
Characteristics
Related primes
The 2001th prime number is: 17393
Previous prime number: 1999 — Next prime number: 2003
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