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  1. 1 - Wikipedia

    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.

  2. 1 - Wiktionary, the free dictionary

    Oct 5, 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 …

  3. 1 (number) - New World Encyclopedia

    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 …

  4. 1 (number) - Simple English Wikipedia, the free encyclopedia

    Pronunciation of the number 1. One (1) is the first natural number, followed by two. The Roman numeral for one is I. In mathematics, the number one is the multiplicative identity. [1] . It is also …

  5. Why Is There a +1 in Front of Phone Numbers? - LifeDev.net

    Jun 3, 2024 · If you see +1 in front of a phone number, the call is coming from an area where the country code is 1, such as the USA, Canada, and some Caribbean countries. The ‘+’ …

  6. Number 1 - Facts about the integer - Numbermatics

    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.

  7. What Is 1? Definition, Facts & Examples for Kids - Vedantu

    Discover what the number 1 means with fun examples. Learn how to write 1 in words and boost your maths skills with Vedantu!

  8. $1 Note - The U.S. Currency Education Program

    Explore the history, security, and design features of the $1 note.

  9. 23 Fun Facts About Number 1 You Need to Know

    May 12, 2023 · The number 1 is the smallest positive integer representing unity and singularity in mathematics. It symbolizes independence, creativity, and leadership in many cultures and is …

  10. I Can Show the Number 1 in Many Ways - YouTube

    Learn the different ways number 1 can be represented. See the number one on a number line, five frame, ten frame, numeral, word, dice, dominoes, tally mark, finger...more