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The first few harmonic divisor numbers are 1, 6, 28, 140, 270, 496, 672, 1638, 2970, 6200, 8128, 8190 (sequence A001599 in the OEIS). Harmonic divisor numbers were introduced by Øystein Ore, who showed that every perfect number is a harmonic divisor number and conjectured that there are no odd harmonic divisor numbers other than 1.
Powerball winning numbers 1/3/24: $20M drawing jackpot The winning numbers for Wednesday night's drawing were 30, 31, 38, 48, 68, and the Powerball is 8. The Power Play was 10X.
Ordinal numbers may be written in English with numerals and letter suffixes: 1st, 2nd or 2d, 3rd or 3d, 4th, 11th, 21st, 101st, 477th, etc., with the suffix acting as an ordinal indicator. Written dates often omit the suffix, although it is nevertheless pronounced. For example: 5 November 1605 (pronounced "the fifth of November ...
The ticket was not altered, but the daily newspaper reporting the day's winning numbers was altered with a black pen. [ citation needed ] In the USSR this scam left three people dead in 1977, after a mark re-sold a fraudulent ticket and the second buyer engaged a criminal to "clear the issue", leading to the murder of the original mark and two ...
It is common to write phone numbers as (0xx) yyy-yyyy, where xx is the area code. The 0 prefix is for long-distance dialing from within the country. International callers should dial +93 xx yyyyyyy. Area codes for common cities are: 093 xx yyyyyyy: Afghanistan; 020 yyy yyyy: Kabul; 026 yyy yyyy: Daykundi; 030 yyy yyyy: Kandahar
Codes 880 through 882 were used (until 1 April 2004) to allow international customers to access toll-free numbers they otherwise could not by paying the international portion of the toll. 880 was paired with 800, 881 with 888, and 882 with 877. [21] 888: toll-free telephone service: March 1, 1996: created; 889: not in use; available for toll ...
Niger, [a] officially the Republic of the Niger, [b] is a landlocked country in West Africa.It is a unitary state bordered by Libya to the northeast, Chad to the east, Nigeria to the south, Benin and Burkina Faso to the southwest, Mali to the west, and Algeria to the northwest.
Some nuclear weapons are designed for special purposes; most of these are for non-strategic (decisively war-winning) purposes and are referred to as tactical nuclear weapons. The neutron bomb purportedly conceived by Sam Cohen is a thermonuclear weapon that yields a relatively small explosion but a relatively large amount of neutron radiation .