Similar to 1
0
0
2
2
3
3
4
4▼-1 trends
5
5
6
6▼-1 trends
7
7
8
8
9
9
ルジャンドル定数
Legendre's constant
−1
−1
0.999...
0.999...▼-4 trends
1次元
One-dimensional space1+1
1+1+1+1+…
1 + 1 + 1 + 1 + ⋯
1の冪根
Root of unity
1/2 + 1/4 + 1/8 + 1/16 + ⋯
1/2 + 1/4 + 1/8 + 1/16 + ⋯
1-形式
One-form (differential geometry)
アラビア数字
Arabic numerals
10
10
11
11 (number)
12
12 (number)
13
13 (number)
14
14 (number)
15
15 (number)
16
16 (number)
17
17 (number)
18
18 (number)