OFFSET
1,1
COMMENTS
LINKS
EXAMPLE
4773132 = 2^2 * 3^2 * 7 * 13 * 31 * 47 formed by 47||7||[3(1][3)]||2. The 6 distinct prime factors are used once each, with 3, 13 and 31 overlapping.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Deron Stewart, Feb 19 2019
STATUS
approved