A036925 Digit sum of composite odd number equals digit sum of juxtaposition of its prime factors (counted with multiplicity).

27, 85, 121, 265, 319, 355, 391, 483, 517, 535, 627, 645, 663, 729, 825, 861, 895, 913, 915, 985, 1111, 1165, 1219, 1255, 1449, 1507, 1581, 1633, 1755, 1795, 1881, 1903, 1921, 1935, 2067, 2079, 2155, 2173, 2227, 2265, 2373, 2409, 2461, 2475, 2515, 2583

Offset

1,1

Links

Table of n, a(n) for n=1..46.

Crossrefs

Cf. A006753, A019506, A036924.

Sequence in context: A039359 A043962 A035074 * A281090 A260052 A028993

Adjacent sequences: A036922 A036923 A036924 * A036926 A036927 A036928

Keyword

nonn,base

Author

Patrick De Geest, Jan 04 1999

Extensions

Title made more precise by Sean A. Irvine, Nov 30 2020

Status

approved