Similar to 和田寧

10

11 (number)

12 (number)

13 (number)

19 (number)

40 (number)

70 (number)

100

400 (number)

700 (number)

1000 (number)

1,000,000

Mathematics

0.999...

Zero-dimensional space

Zero to the power of zero

One-dimensional space

1 + 1 + 1 + 1 + ⋯

1 + 2 + 3 + 4 + ⋯

1 + 2 + 4 + 8 + ⋯

Root of unity

Ones' complement

1 − 1 + 2 − 6 + 24 − 120 + ⋯

1 − 2 + 3 − 4 + ⋯