38

This number is a composite.

Single Curio View: (Seek other curios for this number)

Let spf = sum of prime factors (where spf(p) = 0); then spf(38) = 21, spf(21) = 10, spf(10) = 7, and spf(7) = 0. Note that 21 + 10 + 7 + 0 = 38. The numbers 20 and 74 also share this property. [Moseley]

Submitted: 2003-06-09 15:41:17; Last Modified: 2008-01-30 17:28:00.