501 (number)

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501 is the natural number following 500 and followed by 502.

List of numbers — Integers << 0 100 200 300 400 500 600 700 800 900 >>
Cardinal	five hundred [and] one
Ordinal	501st (five hundred [and] first)
Factorization
Divisors	1, 3, 167, 501
Roman numeral	DI
Binary	111110101
Hexadecimal	1F5

[edit] In mathematics

501 is the sum of the first eighteen primes.

[edit] In other fields

501 is also:

• A type of Levi's jeans
• The record score in first-class cricket by Brian Lara, and also Lara's brand of clothing in honour of this event
• HTTP status code indicating server does not support facility required
• SMTP status code meaning syntax error in parameters
• 501(c) is a type of tax exemption for non-profit organizations in the United States
• 501 is also the name of a game of darts