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  2. Square number - Wikipedia

    en.wikipedia.org/wiki/Square_number

    In mathematics, a square number or perfect square is an integer that is the square of an integer; [1] ... 48 2 = 2304 49 2 = 2401. 50 2 = 2500 51 2 = 2601 52 2 = 2704 ...

  3. List of Mersenne primes and perfect numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_Mersenne_primes...

    Perfect numbers are natural numbers that equal the sum of their positive proper divisors, which are divisors excluding the number itself. So, 6 is a perfect number because the proper divisors of 6 are 1, 2, and 3, and 1 + 2 + 3 = 6. [2] [4]

  4. Square (algebra) - Wikipedia

    en.wikipedia.org/wiki/Square_(algebra)

    The square of an integer may also be called a square number or a perfect square. In algebra, the operation of squaring is often generalized to polynomials, other expressions, or values in systems of mathematical values other than the numbers. For instance, the square of the linear polynomial x + 1 is the quadratic polynomial (x + 1) 2 = x 2 ...

  5. Square packing - Wikipedia

    en.wikipedia.org/wiki/Square_packing

    Square packing is a packing problem ... unit squares is known when is a perfect square (in which case it is ... 15, 24, 34, 35, 46, 47, and 48. For ...

  6. Perfect number - Wikipedia

    en.wikipedia.org/wiki/Perfect_number

    In number theory, a perfect number is a positive integer that is equal to the sum of its positive proper divisors, that is, divisors excluding the number itself. For instance, 6 has proper divisors 1, 2 and 3, and 1 + 2 + 3 = 6, so 6 is a perfect number. The next perfect number is 28, since 1 + 2 + 4 + 7 + 14 = 28.

  7. These are the best early Presidents' Day 2025 sales you can ...

    www.aol.com/lifestyle/these-are-the-best-early...

    Get 48 pairs of under-eye masks from Grace & Stella for more than half off today. Nearly 30,000 Amazon shoppers love these eye masks, saying they're great for keeping skin hydrated and plump. $30 ...

  8. Perfect square - Wikipedia

    en.wikipedia.org/wiki/Perfect_square

    A perfect square is an element of algebraic structure that is equal to the square of another element. Square number, a perfect square integer. Entertainment

  9. The best and worst outfits Beyoncé has worn at the ... - AOL

    www.aol.com/news/best-worst-outfits-beyonc-worn...

    Beyoncé wore three different outfits throughout the 2023 Grammys, and her final look — a black velvet Schiaparelli gown — was one of her best.. The strapless dress featured an angular, square ...