1, Chinese lowercase numbers one, two, three, four, five, six, seven, eight, nine.

2. The capital figures in China are zero, one, two, three, four, five, six, seven, eight and nine.

3. Arabic numerals 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9.

4. Roman numerals use seven Roman letters as numbers, namely I, X, C, M, V, L and D.