Square number
product of some integer with itself
3600
625
576
441
10^24
324
10^42
10201
1600
2025
10^32
10^28
361
1296
1369
1681
961
4900
10^48
2500
4096
676
400
centered octagonal number
10^66
square triangular number
10^40
9
1849
1936
2916
4356
4624
8100
1
10^44
4
1089
289
262144
hundredth
4294967296
0.000001
10^30
10^18
2401
10^60
100
1156
1225