Thursday, January 23, 2020

Ships on PI

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Ships on PI


Ship Numbers in PI-table, all 14 + 14 = 28


592 + 592 + 196 + 196 + 394 + 689 + 691 + 
978 + 196 + 493 + 986 + 986 + 097 + 097 = 7183 = 11 × 653=PR#115


1767 + 1857* + 3673 + 4674 + 5491 + 5493* + 5673 + 
5853 + 6850* + 6940 + 8979* + 9147 + 9258* + 9628* = 85283 
= 11 × 7753 = PR#979.


Сбор 7183 + 85283 = 92466 = 2 × 3 × 3 × 11 × 467=PR#87


Само на две двойки 4-цифренни. 1767 + 3673 + 4674 + 5491 + 5673 + 5853 + 6940 + 9147 = 43218 = 1 × 9 × 7 × 7 × 7 × 7 × 2


Неповтарящи се трицифренни, 592 + 394 + 689 + 691 + 978 + 196 + 493 + 986 + 097 = 5116 = 2 × 2 × 1279


Сбор 43218 + 5116 = 48334 = 2 × 11 × 13 × 13 × 13


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