149 is a prime number.
149 and 151 form a pair of twin primes.
149 has a representation as a sum of two squares: 149 = 72 + 102.
149 is the hypotenuse of a primitive Pythagorean triple: 1492 = 512 + 1402.
149 is the concatenation of the first three positive squares.
149 is the smallest number whose square starts with three identical digits: 1492 = 22201.
149 is the smallest prime that retains the end (unit) digit of its predecessor (139).
149 is the smallest number that is the sum of proper substrings of its reverse: 149 = 1 + 4 + 9 + 94 + 41.
149 Medusa is an asteroid discovered in 1875.Source: Number Gossip
No comments:
Post a Comment