81229

Appears in sequences

• Composite numbers having the same digits as their prime factors (with multiplicity), excluding zero digits.at n=7A176670
• Minimal order of degree-n irreducible polynomials over GF(7).at n=34A218358
• The Wiener index of the graph obtained by applying Mycielski's construction to a benzenoid consisting of a linear chain of n hexagons.at n=28A228597
• Smallest number with reciprocal of period length n in base 7.at n=35A381494