A095411 Numbers k such that total number of decimal digits of all distinct prime factors of k is larger than the number of digits of k.

6, 22, 26, 30, 33, 34, 38, 39, 42, 44, 46, 51, 52, 55, 57, 58, 60, 62, 65, 66, 68, 69, 70, 74, 76, 77, 78, 82, 84, 85, 86, 87, 88, 90, 91, 92, 93, 94, 95, 99, 102, 110, 114, 130, 132, 138, 143, 154, 156, 165, 170, 174, 182, 186, 187, 190, 195, 198, 202, 204, 206, 209

Offset

1,1

Links

Amiram Eldar, Table of n, a(n) for n = 1..10000

Formula

Solutions to A095407(x) > A055642(x).

Example

For k=55: 2 digits, prime set={5,11} with {5,1,1} digits, 3>2, so 55 is a term.

Mathematica

q[n_] := Total[IntegerLength /@ FactorInteger[n][[;; , 1]]] > IntegerLength[n]; q[1] = False; Select[Range[210], q] (* Amiram Eldar, Mar 25 2025 *)

Crossrefs

Cf. A055642, A095407, A095408, A095409, A095410.

Sequence in context: A044067 A106685 A078118 * A242592 A044448 A111036

Adjacent sequences: A095408 A095409 A095410 * A095412 A095413 A095414

Keyword

base,nonn

Author

Labos Elemer, Jun 21 2004

Extensions

Name corrected by Amiram Eldar, Mar 25 2025

Status

approved