A211772 Nonprime numbers all of whose divisors are numbers whose decimal digits are in ascending order.

1, 4, 6, 8, 9, 12, 14, 15, 16, 18, 24, 25, 26, 27, 28, 34, 35, 36, 38, 39, 45, 46, 48, 49, 56, 57, 58, 68, 69, 78, 125, 134, 135, 136, 138, 145, 158, 169, 178, 235, 237, 245, 247, 259, 267, 268, 278, 289, 356, 358, 469, 478, 578, 1345, 1357, 1369, 2479, 2569

Offset

1,2

Comments

Sequence is finite with 63 terms, last term is a(63) = 134689.

Complement of A052015 with respect to A190218. Subsequence of A211771.

Links

Jaroslav Krizek, Table of n, a(n) for n = 1..63 (complete list).

Example

Divisors of 24589: 1, 67, 367, 24589 (all divisors with digits in ascending order).

Crossrefs

Cf. A052015 (primes with distinct digits in ascending order), A190218 (numbers all of whose divisors are numbers whose decimal digits are in ascending order), A211771 (nonprime numbers with distinct digits in ascending order).

Sequence in context: A064590 A259315 A211771 * A353355 A231573 A327204

Adjacent sequences: A211769 A211770 A211771 * A211773 A211774 A211775

Keyword

nonn,base,fini,full

Author

Jaroslav Krizek, May 07 2012

Status

approved