1599 is 22344 in base 5 and 11223 in base 6. It is 4443 in base 7 (A032831).
1599 is a number n such that the square of n is the sum of two or more consecutive squares (A097812).
1599 is the sum of three consecutive pentagonal numbers (A129863).
1599 is a happy-go-lucky number; it is both happy and lucky (A091431).
Source: OEIS
No comments:
Post a Comment