195 (number) Article Index for
195
 

Information About

195 (number)






Ordinal One hundred {Link without Title}
ninety-five
Cardinal 195th
Factorization 3 \cdot 5 \cdot 13
Roman Numeral CXCV
Binary 11000011
Hexadecimal C3


195 is a Sphenic Number , coming in the middle of the Prime Quadruplet 191, 193, 197 and 199. 195 is the sum of eleven consecutive primes (3 + 5 + 7 + 11 + 13 + 17 + 19 + 23 + 29 + 31 + 37). Although not itself prime, 195 passes through Ulam's sieve and thus is a Lucky Number . The smallest number that can be expressed as a sum of distinct squares in 16 different ways is 195 . 195 is a Harshad Number .