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  2. Fibonacci sequence - Wikipedia

    en.wikipedia.org/wiki/Fibonacci_sequence

    Knowledge of the Fibonacci sequence was expressed as early as Pingala (c. 450 BC–200 BC). Singh cites Pingala's cryptic formula misrau cha ("the two are mixed") and scholars who interpret it in context as saying that the number of patterns for m beats (F m+1) is obtained by adding one [S] to the F m cases and one [L] to the F m−1 cases. [11]

  3. United States license plate designs and serial formats

    en.wikipedia.org/wiki/United_States_license...

    Formats for license plate numbers are consistent within the state. For example, Delaware is able to use six-digit all-numeric serials because of its low population. Several states, particularly those with higher populations, use seven-character formats of three letters and four digits, including 1ABC234 in California, 1234ABC in Kansas and ABC-1234 (with or without a space or dash) in Georgia ...

  4. List of the most common passwords - Wikipedia

    en.wikipedia.org/wiki/List_of_the_most_common...

    The Worst Passwords List is an annual list of the 25 most common passwords from each year as produced by internet security firm SplashData. [4] Since 2011, the firm has published the list based on data examined from millions of passwords leaked in data breaches, mostly in North America and Western Europe, over each year.

  5. Vehicle registration plates of Connecticut - Wikipedia

    en.wikipedia.org/wiki/Vehicle_registration...

    This type started in 1922, with the same size, colors and format as regular passenger plates but with a 'C' prefix. C·123456 Previously CA·1234, C·12345, 12345, 123·CAB, 1C·2345, 12C·345 on past bases remade on the current base; 12345·C, 1CA·234, 12C·A34, 1234·CA, and 1234·DA on the current base. Combination – Handicapped

  6. List of numeral systems - Wikipedia

    en.wikipedia.org/wiki/List_of_numeral_systems

    This is the minimum number of characters needed to encode a 32 bit number into 5 printable characters in a process similar to MIME-64 encoding, since 85 5 is only slightly bigger than 2 32. Such method is 6.7% more efficient than MIME-64 which encodes a 24 bit number into 4 printable characters. 89

  7. Vehicle registration plates of the United Arab Emirates

    en.wikipedia.org/wiki/Vehicle_registration...

    Numbers contain a maximum of five digits. [1] Sharjah: Sharjah license plates either may or may not include a category number, spanning from 1 to 4, on an orange or a white plate. License plates may have numbers contain a maximum of five digits. Umm Al Quwain

  8. Telephone numbers in China - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_China

    China's mobile telephone numbers were changed from ten digits to eleven digits, with 0 added after 13x, and thus the HLR code became four-digit long to expand the capacity of the seriously fully crowded numbering plan. In 2006, 15x numbers were introduced. In late 2008, 18x and 14x (for data plans or IoT) were introduced.

  9. Palindromic number - Wikipedia

    en.wikipedia.org/wiki/Palindromic_number

    Palindromic number. A palindromic number (also known as a numeral palindrome or a numeric palindrome) is a number (such as 16461) that remains the same when its digits are reversed. In other words, it has reflectional symmetry across a vertical axis. The term palindromic is derived from palindrome, which refers to a word (such as rotor or ...