Top "Hamming-numbers" questions

Hamming Numbers are numbers whose only prime factors are 2, 3 and 5. They are named after Richard Hamming but became famous (or notorious) after Edsger Dijkstra posed the question of how to efficiently enumerate them in numeric order.

Tricky Google interview question

A friend of mine is interviewing for a job. One of the interview questions got me thinking, just wanted some …

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nᵗʰ ugly number

Numbers whose only prime factors are 2, 3, or 5 are called ugly numbers. Example: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, ... 1 can be considered as 2^0. I am working on …

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