3 × 17 × 31 × 13513

Prime Factor Structure

Factorization String 3 × 17 × 31 × 13513

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 31,136,256

Proper Divisor Sum 9,772,203

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #21364009 ← → #21364061

1 3 17 31 51 93 527 1,581 13,513 40,539 229,721 418,903 689,163 1,256,709 7,121,351 21,364,053

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

21,364,053 64,092,160 32,046,080 16,023,040 8,011,520 4,005,760 2,002,880 1,001,440 500,720 250,360 125,180 62,590 31,295 93,886 46,943 140,830 70,415 211,246 105,623 316,870 158,435 475,306 237,653 712,960 356,480 178,240 89,120 44,560 22,280 11,140 5,570 2,785 8,356 4,178 2,089 6,268 3,134 1,567 4,702 2,351 7,054 3,527 10,582 5,291 15,874 7,937 23,812 11,906 5,953 17,860 8,930 4,465 13,396 6,698 3,349 10,048 5,024 2,512 1,256 628

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.