https://en.wiktionary.org/wiki/1
2023年1月21日 · 1 ( previous 0, next 2 ) The cardinal number one, a single thing or unit. A digit in decimal and every other base numbering system, including binary, octal, and hexadecimal . 15 × 134 = 2010. 0010 00112 (the number 35 in binary notation) 0x1000E001 (the number 268492801 in hexadecimal notation) ( mathematics) The identity element with respect ...