3,171,981

3 × 43 × 67 × 367

Prime Factor Structure

Factorization String 3 × 43 × 67 × 367

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 4,404,224

Proper Divisor Sum 1,232,243

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #3171977 ← → #3171989

1 3 43 67 129 201 367 1,101 2,881 8,643 15,781 24,589 47,343 73,767 1,057,327 3,171,981

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

3,171,981 9,515,944 4,757,972 2,378,986 1,189,493 3,568,480 1,784,240 892,120 446,060 223,030 111,515 334,546 167,273 501,820 250,910 125,455 376,366 188,183 564,550 282,275 846,826 423,413 1,270,240 635,120 317,560 158,780 79,390 39,695 119,086 59,543 178,630 89,315 267,946 133,973 401,920 200,960 100,480 50,240 25,120 12,560 6,280 3,140 1,570 785 2,356 1,178 589 1,768 884 442 221 664 332 166 83 250 125 376 188 94

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