In mathematics, a Ruth–Aaron pair consists of two consecutive integers (e.g., 714 and 715) for which the sums of the prime factors of each integer are...

There are 369 free octominoes (polyominoes of order 8). 369 is a Ruth-Aaron Pair with 370. The sums of their prime factors are equivalent. Kraitchik...

triangular number 6556 – member of a Ruth-Aaron pair with 6557 (first definition) 6557 – member of a Ruth-Aaron pair with 6556 (first definition) 6561 =...

heptagonal number 2107 – member of a Ruth–Aaron pair with 2108 (first definition) 2108 – member of a Ruth–Aaron pair with 2107 (first definition) 2109 –...

"Ruthie" (BoJack Horseman) Book of Ruth, a book of the Hebrew Bible/Old Testament Baby Ruth, candy bar Ruth–Aaron pair, two consecutive integers for which...

tetrahedral number, forms a Ruth–Aaron pair with 1331 under second definition 1331 = 113, centered heptagonal number, forms a Ruth–Aaron pair with 1330 under second...

super-prime 9743 – safe prime 9791 – Sophie Germain prime 9800 – member of a Ruth-Aaron pair (first definition) with 9801 9801 = 992, the largest 4 digit perfect...

two prime numbers 5405 – member of a Ruth–Aaron pair with 5406 (either definition) 5406 – member of a Ruth–Aaron pair with 5405 (either definition) 5413...

a Ruth–Aaron pair with 949 under second definition, number of combinatory separations of normal multisets of weight 6. 949 = 13 × 73, forms a Ruth–Aaron...

+ 67 + 71 + 73 + 79 + 83), nontotient, balanced number, member of Ruth–Aaron pair (either definition); area code for Orange County, California. Flight...