501 (number)

← 500 502 → 501
← 500 510 520 530 540 550 560 570 580 590 → 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
Roman numeral	DI
Binary	1111101012
Octal	7658
Duodecimal	35912
Hexadecimal	1F516

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

[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
• The 501st legion was a group of clone troopers/stormtroopers in the Star Wars saga named after the Star Wars costuming group of the same name.