A085907 7-smooth numbers using digits 2,3,5 and 7 only. Numbers using prime digits and having prime divisors < 10.

2, 3, 5, 7, 25, 27, 32, 35, 72, 75, 225, 252, 375, 525, 735, 2352, 3375, 25725, 273375, 2333772, 52732233225

Offset: 1

Author

Amarnath Murthy, Jul 09 2003

Keywords

• base
• nonn

Comments

No more terms < 10^100. Probably no more terms. - David Wasserman, Feb 11 2005

No more terms < 10^1000. - Graham Holmes, Jan 07 2022

Crossrefs

Intersection of A002473 and A046034.

Extensions

More terms from David Wasserman, Feb 11 2005