0,1

Eric Weisstein's World of Mathematics, Multiplicative Persistence

2678789 -> [ 338688 ][ 27648 ][ 2688 ][ 768 ][ 336 ][ 54 ][ 20 ][ 0 ] -> one digit in eight steps.

Cf. A046500, A046517.

Sequence in context: A147712 A121108 A046517 this_sequence A081409 A104848 A051384

Adjacent sequences: A046505 A046506 A046507 this_sequence A046509 A046510 A046511

nonn

Patrick De Geest (pdg(AT)worldofnumbers.com), Sep 15 1998.