63 (number) Article Index for
63
 

Information About

63 (number)






Cardinal 63
sixty-three
Ordinal 63rd
sixty-third
Factorization 3^2 \cdot 7
Divisor s 3, 7, 9, 21
Roman Numeral LXIII
Binary 111111
Hexadecimal 3F



IN MATHEMATICS

Although a number of the form 2n - 1, 63 is technically not a Mersenne Number since n is not Prime and 63 is certainly not prime either. It is a Woodall Number and a Harshad Number . It is a Highly Cototient Number .


IN SCIENCE


In Astronomy ,

: Messier Object M63 , a Magnitude 8.5 Galaxy in the Constellation Canes Venatici , also known as the Sunflower Galaxy .

: The , a Spiral Galaxy in the constellation Pisces

:The series which began on -879 April 20 and ended on 401 May 29 . The duration of Saros series 63 was 1280.1 years, and it contained 72 solar eclipses.

:The Saros number of the Lunar Eclipse series which began on -758 October 12 and ended on 739 March 29 . The duration of Saros series 63 was 1496.5 years, and it contained 84 lunar eclipses.


IN OTHER FIELDS

Sixty-three is: