1,727,353

17² × 43 × 139

Prime Factor Structure

Factorization String 17^2 × 43 × 139

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 1,891,120

Proper Divisor Sum 163,767

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #1727339 ← → #1727377

1 17 43 139 289 731 2,363 5,977 12,427 40,171 101,609 1,727,353

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

1,727,353 5,182,060 2,591,030 1,295,515 3,886,546 1,943,273 5,829,820 2,914,910 1,457,455 4,372,366 2,186,183 6,558,550 3,279,275 9,837,826 4,918,913 14,756,740 7,378,370 3,689,185 11,067,556 5,533,778 2,766,889 8,300,668 4,150,334 2,075,167 6,225,502 3,112,751 9,338,254 4,669,127 14,007,382 7,003,691 21,011,074 10,505,537 31,516,612 15,758,306 7,879,153 23,637,460 11,818,730 5,909,365 17,728,096 8,864,048 4,432,024 2,216,012 1,108,006 554,003 1,662,010 831,005 2,493,016 1,246,508 623,254 311,627 934,882 467,441 1,402,324 701,162 350,581 1,051,744 525,872 262,936 131,468 65,734

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