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# 41 (number)

 ← 40 41 42 →
Cardinalforty-one
Ordinal41st
(forty-first)
Factorizationprime
Prime13th
Divisors1, 41
Greek numeralΜΑ´
Roman numeralXLI
Binary1010012
Ternary11123
Quaternary2214
Quinary1315
Senary1056
Octal518
Duodecimal3512
Vigesimal2120
Base 361536

41 (forty-one) is the natural number following 40 and preceding 42.

## In sports

• The race number worn by Sir Roger Bannister when he broke the mythical 4-minute mile barrier in 1954.[7]

## References

1. ^ "Sloane's A002267 : The 15 supersingular primes". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-30.
2. ^ "Sloane's A088165 : NSW primes". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-30.
3. ^ "Sloane's A080076 : Proth primes". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-30.
4. ^ "Sloane's A001844 : Centered square numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-30.
5. ^ "41 (II)". IMDb. Retrieved June 16, 2013.
6. ^ Boyd, M. J. "The African American Presence and the Resolution of Race in The Matrix Trilogy." Black Renaissance. 3 (2004): 134
7. ^ Telegraph.co.uk
8. ^ "Archived copy". Archived from the original on 2010-07-15. Retrieved 2009-05-05.CS1 maint: Archived copy as title (link)
9. ^ Kellogg, William O. (2010). Barron's AP United States History (9th ed.). Barron's Educational Series. p. 364. ISBN 9780764141843. George H. W. Bush (Republican) [Bush 41—i.e., the first president Bush, George H. W. Bush was the forty-first President of the United States, and so some have referred to him in this way since the election of his son, George W. Bush or Bush 43—the forty-third president of the United States.]
10. ^ "Reference 1". Archived from the original on 2008-05-31. Retrieved 2008-06-13.
11. ^ "Reference 2". Archived from the original on 2007-11-30. Retrieved 2008-06-13.