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  1. 7 - Wikipedia

    Most devices use three line segments, but devices made by some Japanese companies such as Sharp and Casio, as well as in the Koreas and Taiwan, 7 is written with four line segments …

  2. 7 (number) - New World Encyclopedia

    In casinos, the line 7-7-7 (triple seven, not seven hundred seventy-seven) is a common winning line on slot machines. Seven babies delivered in a single birth are called septuplets.

  3. Number symbolism - Numerology, Mysticism, Occultism | Britannica

    The number 7 is often considered lucky, and it has a definite mystique, perhaps because it is a prime number—that is, it cannot be obtained by multiplying two smaller numbers together.

  4. Solve - Step-by-Step Math Problem Solver

    QuickMath will automatically answer the most common problems in algebra, equations and calculus faced by high-school and college students. The algebra section allows you to expand, …

  5. Number 7 facts

    '7 Years', in Spanish '7 aňos', is the lead single by the Australian metal band Superheist. '7 Years' is also a song by the Danish soul-pop band Lukas Graham. '7 Weeks', in Spanish '7 weeks', is …

  6. 7 - Wiktionary, the free dictionary

    Oct 31, 2025 · Road sign in British Columbia showing the use of 7 to represent ʔ. The forty-first letter of the Squamish alphabet, written in the Latin script.

  7. Number Seven Facts, Symbolism & Meaning - Study.com

    Study the symbolism of the number seven. Learn what the number 7 means spiritually, review its meaning in the Bible, and explore its significance in various fields.