269500
domain: N
Appears in sequences
- There exists some k>0 such that n is the product of (k + digits of n).at n=24A055482
- Numbers k such that (1/k) * Sum_{d|k} d*sigma(d) is an integer.at n=30A069520
- Numbers n such that n=(d_1+5)(d_2+5)*...*(d_k+5), where d_1 d_2 ... d_k is the decimal expansion of n.at n=8A097371
- Irregular triangle read by rows: T(n,k) is the number of dominating subsets with cardinality k of the n X n rook graph (n >= 0, 0 <= k <= n^2).at n=42A368831