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  2. Number sentence - Wikipedia

    en.wikipedia.org/wiki/Number_sentence

    A valid number sentence that is true: 83 + 19 = 102. A valid number sentence that is false: 1 + 1 = 3. A valid number sentence using a 'less than' symbol: 3 + 6 < 10. A valid number sentence using a 'more than' symbol: 3 + 9 > 11. An example from a lesson plan: [6] Some students will use a direct computational approach.

  3. Integer overflow - Wikipedia

    en.wikipedia.org/wiki/Integer_overflow

    Integer overflow can be demonstrated through an odometer overflowing, a mechanical version of the phenomenon. All digits are set to the maximum 9 and the next increment of the white digit causes a cascade of carry-over additions setting all digits to 0, but there is no higher digit (1,000,000s digit) to change to a 1, so the counter resets to zero.

  4. List of integer sequences - Wikipedia

    en.wikipedia.org/wiki/List_of_integer_sequences

    A number that has the same number of digits as the number of digits in its prime factorization, including exponents but excluding exponents equal to 1. A046758: Extravagant numbers: 4, 6, 8, 9, 12, 18, 20, 22, 24, 26, 28, 30, 33, 34, 36, 38, ... A number that has fewer digits than the number of digits in its prime factorization (including ...

  5. Gödel numbering - Wikipedia

    en.wikipedia.org/wiki/Gödel_numbering

    A Gödel numbering can be interpreted as an encoding in which a number is assigned to each symbol of a mathematical notation, after which a sequence of natural numbers can then represent a sequence of symbols. These sequences of natural numbers can again be represented by single natural numbers, facilitating their manipulation in formal ...

  6. Mnemonic major system - Wikipedia

    en.wikipedia.org/wiki/Mnemonic_major_system

    3 /m/ m: Lower case m has three vertical strokes. Both upper case M and lower case m each have three points on the baseline and look like the numeral 3 on its side. 4 /r/ r, l (as sounded in colonel) Four ends with r (and /r/ in rhotic accents). 5 /l/ l: L is the Roman numeral for 50. Among the five digits of one's left hand, the thumb and ...

  7. Hilbert's paradox of the Grand Hotel - Wikipedia

    en.wikipedia.org/wiki/Hilbert's_paradox_of_the...

    This room number would have over thirty decimal digits. The interleaving method can be used with three interleaved "strands" instead of two. The passenger with the address 2-3-2 would go to room 232, while the one with the address 4935-198-82217 would go to room #008,402,912,391,587 (the leading zeroes can be removed).

  8. This is what you are doing wrong when scammers call - AOL

    www.aol.com/news/doing-wrong-scammers-call...

    Scammers typically start their interactions with well-rehearsed, smoothly executed preambles, creating good first impressions. ... and call it back using the number you find there. If the call you ...

  9. Persistence of a number - Wikipedia

    en.wikipedia.org/wiki/Persistence_of_a_number

    The search for these numbers can be sped up by using additional properties of the decimal digits of these record-breaking numbers. These digits must be in increasing order (with the exception of the second number, 10), and – except for the first two digits – all digits must be 7, 8, or 9.