r12 vs r16
......
33
[[28]]의 다음 수이자, [[30]]의 이전 수이다.
44
소수이다.
55
9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999
6
[[분류:숫자]]
6
[[분류:]]