# 756

## Property

• 756 is a composite number, and the divisor is 1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756.
• It is the number of the 27th rectangles (756 = 27*28). 702, the next are 812 before one.
• 756 = 271+272. When considered it to be friendship of 27 自然数乗; 27, the next are 20439 before one.
• 756 = 2+4+6+8+10+12+14+16+18+20+22+24+26+28+30 +32+34+36+38+40+42+44+46+48+50+52+54
• It is the number of the 175th ハーシャッド. 738, the next are 770 before one.
• When I assumed 18 the basis, it is the number of the 14th ハーシャッド. 738, the next are 774 before one.
• The quotient who broke it becoming the number of ハーシャッド is the 34th number that it is to the number of ハーシャッド again. 648, the next are 864 before one.
(e.g.,: 756/18 = 42 → 42/6 = 7 → 7/7 = 1)
• It is the 29th number that I can express in sums of six consecutive prime numbers. 724, the next are 796 before one.
756 = 109 +113 +127 +131 +137 +139
• The number that the sum of divisor becomes 756 is eight. (340, 352, 410, 428, 442, 502, 689, 697) is the fourth number to be able to express in eight sums of divisor. 672, the next are 840 before one.
• The sum of members is the 32nd number to become 18. 747, the next are 765 before one.
• It is 756 = 93+33, the third number to be able to express in form of 9n+3n = 32n+3n = 3n(3n+1). 90, the next are 6642 before one. (progression A074610 of the online integer row Dictionary)