2 × 7² × 11 × 197

Prime Factor Structure

Factorization String 2 × 7^2 × 11 × 197

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 406,296

Proper Divisor Sum 193,930

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #212353 ← → #212369

1 2 7 11 14 22 49 77 98 154 197 394 539 1,078 1,379 2,167 2,758 4,334 9,653 15,169 19,306 30,338 106,183 212,366

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

212,366 106,183 318,550 159,275 477,826 238,913 716,740 358,370 179,185 537,556 268,778 134,389 403,168 201,584 100,792 50,396 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 23,921 71,764 35,882 17,941 53,824 26,912 13,456 6,728 3,364 1,682 841 2,524 1,262 631 1,894 947 2,842 1,421 4,264 2,132 1,066 533 1,600 800 400 200 100 50 25 76 38

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