351419

Appears in sequences

• Composite numbers whose prime factors contain no digits other than 4 and 7.at n=19A036318
• A list of equal temperaments (equal divisions of the octave) whose nearest scale steps are closer and closer approximations to the pair of ratios 11/8 and 16/11 which generate two complementary musical tones.at n=39A061416
• Numbers whose sum of aliquot parts is equal to the sum of some fixed power of their digits.at n=18A269670