4-brilliant numbers: numbers which are the product of four primes having the same number of decimal digits.

A376704

4-brilliant numbers: numbers which are the product of four primes having the same number of decimal digits.

Terms

    a(0) =16a(1) =24a(2) =36a(3) =40a(4) =54a(5) =56a(6) =60a(7) =81a(8) =84a(9) =90a(10) =100a(11) =126a(12) =135a(13) =140a(14) =150a(15) =189a(16) =196a(17) =210a(18) =225a(19) =250a(20) =294a(21) =315a(22) =350a(23) =375a(24) =441a(25) =490a(26) =525a(27) =625a(28) =686a(29) =735

External references