A171004 Numbers which are the lunar product of lunar primes in more than one way.

1119, 1129, 1139, 1149, 1159, 1169, 1179, 1189, 1191, 1192, 1193, 1194, 1195, 1196, 1197, 1198, 1199, 1219, 1319, 1419, 1519, 1619, 1719, 1819, 1911, 1912, 1913, 1914, 1915, 1916, 1917, 1918, 1919, 2191, 2229, 2239, 2249, 2259, 2269, 2279, 2289, 2292, 2293, 2294, 2295, 2296, 2297, 2298, 2299, 2329, 2429, 2529, 2629, 2729, 2829, 2911, 2922, 2923, 2924, 2925, 2926, 2927, 2928

Offset

1,1

Links

David Applegate, Table of n, a(n) for n = 1..6679

David Applegate, Factorizations of all numbers in the b-file

David Applegate, Factorizations of all 9-ish numbers with <= 5 digits into products of lunar primes

D. Applegate, M. LeBrun and N. J. A. Sloane, Dismal Arithmetic [Note: we have now changed the name from "dismal arithmetic" to "lunar arithmetic" - the old name was too depressing]

Index entries for sequences related to dismal (or lunar) arithmetic

Example

1119 = 19*109 = 19*19*19.
1129 = 19*129 = 29*109 = 19*19*29.

Crossrefs

Cf. A087097, A133626, A169977.

Sequence in context: A264312 A145334 A134211 * A235275 A235314 A340790

Adjacent sequences: A171001 A171002 A171003 * A171005 A171006 A171007

Keyword

nonn,base

Author

N. J. A. Sloane, Sep 01 2010

Status

approved