Synonym of Pisot-Vijayaraghavan number

plural of Pisot number

There is more strength in groups than individuals.

Short for there is safety in numbers.

(mathematics) Synonym of circuit rank

(mathematics) A natural number of the form n·2ⁿ+1.

(mathematics) An integer of the form 4ⁿ-2ⁿ⁺¹-1.

(mathematics) A number in the fifth cell of any row of Pascal's triangle starting with the 5-term row 1 4 6 4 1 either from left to right or from right to left.

Alternative form of non-hypotenuse number

(mathematics) A positive integer with a half-integral abundancy index