Jump to navigation Jump to search See also: 1̂, ! 1’ in a digital seven segment display. The cardinal number one, a single thing or unit. A digit in decimal and every other base numbering system, including binary, 1st valentine’s day, and hexadecimal.

The identity element with respect to multiplication in a ring. Bit state corresponding to binary digit 1, or on or true. A Boolean or truth value corresponding to true. A: sum1 hlep me plz im alwyz l0zin! This is similar to the English pronunciation of ‘0’ as ‘o’ in strings of digits, such as 90210. When used between two reduplicated words, pronounced with neutral tone.

Note: Dungan pronunciation is currently experimental and may be inaccurate. This page was last edited on 30 December 2022, at 02:46. By using this site, you agree to the Terms of Use and Privacy Policy. This article is about the number. For the year, see AD 1. The fundamental mathematical property of 1 is to be a multiplicative identity, meaning that any number multiplied by 1 equals the same number.

Most if not all properties of 1 can be deduced from this. In advanced mathematics, a multiplicative identity is often denoted 1, even if it is not a number. The unique mathematical properties of the number have led to its unique uses in other fields, ranging from science to sports. It commonly denotes the first, leading, or top thing in a group.