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800 (eight hundred) is the natural number following 799 and preceding 801. ... smallest number divisible by the numbers 1 to 8 ... 897 = 3 × 13 × 23, sphenic number
43 is a Heegner number. [4] 43 is the largest prime which divides the order of the Janko group J 4. 43 is a repdigit in base 6 (111). 43 is the largest natural number that is not an (original) McNugget number. [5] 43 is the smallest prime number expressible as the sum of 2, 3, 4, or 5 different primes: 43 = 41 + 2; 43 = 11 + 13 + 19; 43 = 2 ...
Five-digit numbers starting with 118 are information numbers. Numbers starting with 80 and 90, then a number different from 0, are used for premium rates, toll free, and internet access numbers. 905 numbers are supposed to be used for voting systems. Calls have a limited duration (typically 3 minutes), and are charged a fixed rate per call.
18 is a semiperfect number [1] and an abundant number. 18 is the number of one-sided pentominoes, and the number of ordered rooted trees with 6 nodes having root of even degree. [2] In the classification of finite simple groups, there are 18 infinite families. [3]
On 1 July 2009, telephone numbers in Karachi and Lahore were changed from seven digits to eight digits. This was accomplished by adding the digit 9 to the beginning of any phone number that started with a 9 (government and semi-government connexions), and adding the digit 3 to any phone numbers that did not start with the number 9. [1]
In addition to the support options listed above, paid members also have access to 24/7 phone support by calling 1-800-827-6364. Popular Products. Account; AOL Mail;
The first two numbers after the leading 0 or 'TT' in the example above identify the operator. For example, 010 234 567 is an example of a 9 digit mobile number from Smart. 088 234 5678 on the other hand is an example of a 10 digit mobile number from Metfone. The 3rd digit after the leading 0 or 'A' in the example above must be between 1 and 9. [4]
Telephone numbers in Nigeria use an open numbering plan. They are composed of a combination of an area code and a local line or subscriber telephone number. Area codes consist of one digit (Lagos, Ibadan and Abuja) or two digits. Local telephone numbers contain from five to seven digits, and may vary within the area code.