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  2. Glossary of mathematical symbols - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mathematical...

    3. Between two groups, may mean that the first one is a proper subgroup of the second one. > (greater-than sign) 1. Strict inequality between two numbers; means and is read as "greater than". 2. Commonly used for denoting any strict order. 3. Between two groups, may mean that the second one is a proper subgroup of the first one. ≤ 1.

  3. Quaternary numeral system - Wikipedia

    en.wikipedia.org/wiki/Quaternary_numeral_system

    As with the octal and hexadecimal numeral systems, quaternary has a special relation to the binary numeral system.Each radix four, eight, and sixteen is a power of two, so the conversion to and from binary is implemented by matching each digit with two, three, or four binary digits, or bits.

  4. Number - Wikipedia

    en.wikipedia.org/wiki/Number

    An even number is an integer that is "evenly divisible" by two, that is divisible by two without remainder; an odd number is an integer that is not even. (The old-fashioned term "evenly divisible" is now almost always shortened to "divisible".) Any odd number n may be constructed by the formula n = 2k + 1, for a suitable integer k.

  5. Natural number - Wikipedia

    en.wikipedia.org/wiki/Natural_number

    The first ordinal number that is not a natural number is expressed as ω; this is also the ordinal number of the set of natural numbers itself. The least ordinal of cardinality ℵ 0 (that is, the initial ordinal of ℵ 0) is ω but many well-ordered sets with cardinal number ℵ 0 have an ordinal number greater than ω.

  6. NYT ‘Connections’ Hints and Answers Today, Sunday ... - AOL

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    4. All of these words are associated with a noun that has different meanings (hint: one definition of the noun refers to a flat-bodied fish with a long, whip-like tail).

  7. Botox complications are rare. But what happens when an ... - AOL

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    These days, Botox and other neuromodulators have become incredibly normalized, but that doesn't mean these kinds of cosmetics procedures should be taken lightly. Botox, after all, is still a ...

  8. Today’s NYT ‘Strands’ Hints, Spangram and Answers ... - AOL

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    - NYT ‘Connections’ Hints and Answers Today, Tuesday, February 4. Related: 15 Fun Games Like Connections to Play Every Day. Show comments. Advertisement. Advertisement. In Other News. Finance.

  9. 44 (number) - Wikipedia

    en.wikipedia.org/wiki/44_(number)

    44 has an aliquot sum of 40, within an aliquot sequence of three composite numbers (44, 40, 50, 43, 1, 0) rooted in the prime 43-aliquot tree. Since the greatest prime factor of 44 2 + 1 = 1937 is 149 and thus more than 44 twice, 44 is a Størmer number. [3] Given Euler's totient function, φ(44) = 20 and φ(69) = 44.