1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225, 256, 289, 324, 361, 400, 441, 484
.25
This range is only a convention.
There r 16 1s. Including the word one.
5 number 1s so far
121 121 121 121
8, 27, 64 and 125
4
19 of them.
11
121 km = 121 000 m
The factors of 121 are: 1, 11, 121