173 (number)

173 prime 40th 1, 173 173 (one hundred [and] seventy-three) is the natural number following 172 and preceding 174. In mathematics 173 is: an odd number. a deficient number. an odious number. a balanced prime.https://oeis.org/A006562 Sloane's A006562 : Balanced primes The On-Line Encyclopedia of Integer Sequences OEIS Foundation 2016-05-26 an Eisenstein prime with no imaginary part. a Sophie Germain prime.https://oeis.org/A005384 Sloane's A005384 : Sophie Germain primes The On-Line Encyclopedia of Integer Sequences OEIS Foundation 2016-05-26 a Pythagorean prime. a Higgs prime. an isolated prime. a regular prime. a sexy prime. a twice sexy prime (167, 173; 173, 179). a truncatable prime. an inconsummate number.https://oeis.org/A003635 Sloane's A003635 : Inconsummate numbers in base 10 The On-Line Encyclopedia of Integer Sequences OEIS Foundation 2016-05-26 the sum of 2 squares: 22 + 132. the sum of three consecutive prime numbers: 53 + 59 + 61. Palindromic number in bases 3 (201023) and 9 (2129). the 40th prime number following 167 and preceding 179. References External links Number Facts and Trivia: 173 Prime curiosities: 173 Number Gossip: 173 1 Category:Integers Category: Prime numbers