1 (one, unit, unity) is a number, numeral, and glyph. It is the first and smallest positive integer of the infinite sequence of natural numbers.

1 (number) ... Chinese hand sign Pronunciation of the number 1. One (1) is the first natural number, followed by two. The Roman numeral for one is I.

Jun 20, 2025 · Tenth century “West Arabic” variation of the Nepali form of Hindu-Arabic numerals (compare Devanagari script १ (1, “éka”)), possibly influenced by Roman numeral Ⅰ, both …

The glyph used today in the Western world to represent the number 1, a vertical line, often with a serif at the top and sometimes a short horizontal line at the bottom, traces its roots back to the …

1 is the Hindu-Arabic numeral for the number one (the unit). It is the smallest positive integer, and smallest natural number. 1 is the multiplicative identity, i.e. any number multiplied by 1 equals …

6 days ago · Although the number 1 used to be considered a prime number, it requires special treatment in so many definitions and applications involving primes greater than or equal to 2 …

May 12, 2023 · Whether you’re a math enthusiast, a trivia buff, or just curious about the world around you, exploring the fun facts about number 1 can be a fascinating and enlightening …

One is the beginning – the very first of all numbers. The 1 can be recognized in almost any written language, even when all the other single digits are written very differently.

Your guide to the number 1, an odd number which is uniquely neither prime nor composite. Mathematical info, prime factorization, fun facts and numerical data for STEM, education and fun.

The complete list of number 1 Symbols, copy and paste number 1 in different fonts to easily use in your text.