Search a number
primitive abundant  and  pronic n.

Search a number

(max 15 digits)

First numbers that belong to both sets:

12, 20, 30, 42, 56, 272, 650, 812, 992, 16256, 65792, 372710, 449570, 1621802, 2485352, 11219150, 15315482, 21054332, 38508230, 67100672, 75403172, 79307930, 81947756.