63

63

positive integer, odd number, centered octahedral number, icosidigonal number, composite number, Mersenne number, harshad number

Prime factor	3, 7

63 (kò-baccimodi ga kunu) nbozini number dalbo kò-baccimodi ga bolo 62 Dede kò-baccimodi ga póddo 64

63 is the third Delannoy number, for the number of ways to travel from a southwest corner to a northeast corner in a 3 by 3 grid.