one hundred

C

1100100_2

2^2×5^2

m | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 100 mod m | 0 | 1 | 0 | 0 | 4 | 2 | 4 | 1

100 = 10^2 is a perfect square.

100 has a representation as a sum of 2 squares: 100 = 6^2 + 8^2

100 is an even number.

100 divides 49^2 - 1.

e^(π sqrt(100))≈44031505860632.0290 is a near-integer.