A038694 - OEIS

A038694

Smallest odd number with n prime factors all of different number of decimal digits.

3, 33, 3333, 3362997, 33653510979, 3365452058432937, 3365462154789112298811, 33654685491672063981243677409, 3365468784750004839828815609605741863, 3365468808308286333078849488407451130240193041, 33654688147026770688645935212572651582143501884563667779

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..11.

PROG

(PARI) for(n=0, 10, print1(3*prod(k=1, n, nextprime(10^k)), ", ")) \\ Hugo Pfoertner, Sep 23 2020

CROSSREFS

Cf. A003617.

Sequence in context: A342170 A194889 A126675 * A319750 A204687 A134477

Adjacent sequences: A038691 A038692 A038693 * A038695 A038696 A038697

KEYWORD

nonn,base

AUTHOR

Jeff Burch

EXTENSIONS

Title changed and a(11) from Hugo Pfoertner, Sep 23 2020

STATUS

approved