93 has the unique representation 93 = 22 + 52 + 82 as a sum of three squares.
93 is 1011101 in base 2 and 333 in base 5.
93 is a cake number. The nth cake number is the maximum number of pieces into which a (cylindrical) cake can be cut with n planar cuts. The first 10 cake numbers are 2, 4, 8, 15, 26, 42, 64, 93, 130, 176. There are 39 cake numbers below 10,000.
The chemical element niobium has one stable isotope, which has 93 neutrons.
Source: Number Gossip
