42

Secret of 42!

Forty-two (42) is a pronic number^[1] and an abundant number; its prime factorization ({\displaystyle 2\times 3\times 7} $2\times 3\times 7$ ) makes it the second sphenic number and also the second of the form ({\displaystyle 2\times 3\times r} $2\times 3\times r$ ).