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  2. Palindromic number - Wikipedia

    en.wikipedia.org/wiki/Palindromic_number

    A number that is non-palindromic in all bases b in the range 2 ≤ b ≤ n − 2 can be called a strictly non-palindromic number. For example, the number 6 is written as "110" in base 2, "20" in base 3, and "12" in base 4, none of which are palindromes. All strictly non-palindromic numbers larger than 6 are prime.

  3. Longest palindromic substring - Wikipedia

    en.wikipedia.org/wiki/Longest_palindromic_substring

    Since the palindrome at the MirroredCenter is "aba" and extends beyond the boundaries of the "Old" palindrome, we know the longest palindrome at the second "b" can only extend up to the border of the "Old" palindrome. We know this because if the character after the "Old" palindrome had been an "a" instead of a "c", the "Old" palindrome would ...

  4. Palindromic prime - Wikipedia

    en.wikipedia.org/wiki/Palindromic_prime

    Another beastly palindromic prime is 700666007. [4] Ribenboim defines a triply palindromic prime as a prime p for which: p is a palindromic prime with q digits, where q is a palindromic prime with r digits, where r is also a palindromic prime. [5] For example, p = 10 11310 + 4661664 × 10 5652 + 1, which has q = 11311 digits, and 11311 has r ...

  5. Palindrome - Wikipedia

    en.wikipedia.org/wiki/Palindrome

    A palindrome is a word, number, phrase, or other sequence of symbols that reads the same backwards as forwards, such as madam or racecar, the date "22/02/2022" and the sentence: "A man, a plan, a canal – Panama".

  6. Category:Palindromes - Wikipedia

    en.wikipedia.org/wiki/Category:Palindromes

    Palindromic number; Palindromic prime; Palindromic sequence; The Palindromist; S. Sator Square; T. Twosday This page was last edited on 17 January 2019, at 02:38 ...

  7. 282 (number) - Wikipedia

    en.wikipedia.org/wiki/282_(number)

    282 is a palindromic number. This is a number that is the same backwards as it is forwards. 282 is the smallest multi-digit palindromic number that is between twin primes, numbers that are prime and are 2 away from another prime number. [3] 282 is equal to the sum of its divisors containing the number 4. It is the sum of 47 + 94 + 141. [4]

  8. How a GM layoff email sent to employees triggered a storm on ...

    www.aol.com/news/gm-layoff-email-sent-employees...

    It’s one of those wild twists at a time when many layoffs are buried in a big number. The TikTok, by the way, got 1.6M views. How a GM layoff email sent to employees triggered a storm on TikTok

  9. Belphegor's prime - Wikipedia

    en.wikipedia.org/wiki/Belphegor's_prime

    Symbol of Belphegor's prime, represented by the Greek letter π upside down. Belphegor's prime is the palindromic prime number 1 000 000 000 000 066 600 000 000 000 001 (10 30 + 666 × 10 14 + 1), a number which reads the same both backwards and forwards and is only divisible by itself and one.