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1728 has twenty-eight divisors, which is a perfect count (as with 12, with six divisors). It also has a Euler totient of 576 or 24 2, which divides 1728 thrice over. 1728 is an abundant and semiperfect number, as it is smaller than the sum of its proper divisors yet equal to the sum of a subset of its proper divisors.
31 May – The Royal Bank of Scotland extends the first overdraft (to Edinburgh merchant William Hogg for £1,000). [4] 14 June – Congress of Soissons begins in an effort to end the Anglo-Spanish War. Late Summer – Voltaire ends his exile in England. September – astronomer James Bradley uses stellar aberration (first observed in 1725) to ...
1855 or 1474 or 702. 1728 ( MDCCXXVIII ) was a leap year starting on Thursday of the Gregorian calendar and a leap year starting on Monday of the Julian calendar, the 1728th year of the Common Era (CE) and Anno Domini (AD) designations, the 728th year of the 2nd millennium, the 28th year of the 18th century, and the 9th year of the 1720s decade.
Ispirato da un trattato sull’architettura "obliqua" di Juan Caramuel y Lobkowitz, Sanfelice introduce nell’architettura residenziale napoletana questo modello inusitato e denominato ‘ad ali di falco’ da Bernardo De Dominici. E il suo primo progetto fu per la scala del seminario di Nardò (1723-1728).
This category has the following 18 subcategories, out of 18 total. 1728 by continent (7 C) 1728 by country (30 C, 8 P)
1732. September 29: The seven-day Battle of Damghan starts. 1729 ( MDCCXXIX) was a common year starting on Saturday of the Gregorian calendar and a common year starting on Wednesday of the Julian calendar, the 1729th year of the Common Era (CE) and Anno Domini (AD) designations, the 729th year of the 2nd millennium, the 29th year of the 18th ...
1728 digər təqvimlərdə Qriqori təqvimi: 1728 MDCCXXVIII: Yuli təqvimi: 1728 Yuli təqvimi bizans erasında 7236-7237 Romanın yarandığı gündən: 2480-2481 (21 aprel) Avropa təqvimi: 5488-5489 . ה'תפ"ח - ה'תפ"ט Hicri təqvim: 1140-1141 Erməni təqvimi: 4220-4221 ՌՉԻԸ Çin təqvimi: 4424-4425 丁未 - 戊申
