2 × 7² × 12821

Prime Factor Structure

Factorization String 2 × 7^2 × 12821

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 2,192,562

Proper Divisor Sum 936,104

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #1256449 ← → #1256477

1 2 7 14 49 98 12,821 25,642 89,747 179,494 628,229 1,256,458

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

1,256,458 628,229 1,884,688 942,344 471,172 235,586 117,793 353,380 176,690 88,345 265,036 132,518 66,259 198,778 99,389 298,168 149,084 74,542 37,271 111,814 55,907 167,722 83,861 251,584 125,792 62,896 31,448 15,724 7,862 3,931 11,794 5,897 17,692 8,846 4,423 13,270 6,635 19,906 9,953 29,860 14,930 7,465 22,396 11,198 5,599 16,798 8,399 25,198 12,599 37,798 18,899 56,698 28,349 85,048 42,524 21,262 10,631 31,894 15,947 47,842

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