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A list of articles about numbers (not about numerals). Topics include powers of ten, notable integers, prime and cardinal numbers, and the myriad system.
A unique four-digit number for each NPA, from 0000 to 9999 Also called station code Using 0 or 1 as the first digit of an area code or central office code is invalid, as is a 9 as the middle digit of an area code; these are trunk prefixes or reserved for North American Numbering Plan expansion .
10. NANP member. Argentina. +54. 9/15. 10. All carriers: Claro, Movistar, Personal, Tuenti. 15 before the local number but after long distance area code for national calls (0 11 15 xxxx-xxxx) and 9 placed after the international access code excluding the 15 for international calls (+54 9 11 xxxx-xxxx). Armenia.
9800 – member of a Ruth-Aaron pair (first definition) with 9801. 9801 = 99 2, the largest 4 digit perfect square, centered octagonal number, square pentagonal number, member of a Ruth-Aaron pair (first definition) with 9800. 9833 – super-prime. 9839 – safe prime. 9850 – decagonal number.
List of UN numbers 2001 to 2100. List of UN numbers 2101 to 2200. List of UN numbers 2201 to 2300. List of UN numbers 2301 to 2400. List of UN numbers 2401 to 2500. List of UN numbers 2501 to 2600. List of UN numbers 2601 to 2700. List of UN numbers 2701 to 2800. List of UN numbers 2801 to 2900.
123 or 112. Emergency at sea: 129. Netherlands. 112. Text phone – 0800 81 12; Non-emergency police – 0900 88 44[a] or 0343 578 844; [66] Non-emergency police (text phone) – 0900 18 44; Suicide prevention – 113; Animal emergency – 144; Child abuse – 0900 123 12 30; [a] Anti-bullying hotline – 0800 90 50.
This is a list of articles about prime numbers. A prime number (or prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself. By Euclid's theorem, there are an infinite number of prime numbers. Subsets of the prime numbers may be generated with various formulas for primes.
4-Digits. 4-Digits (abbreviation: 4-D) is a lottery in Germany, Singapore, and Malaysia. Individuals play by choosing any number from 0000 to 9999. Then, twenty-three winning numbers are drawn each time. If one of the numbers matches the one that the player has bought, a prize is won.