13 × 19² × 47

Prime Factor Structure

Factorization String 13 × 19^2 × 47

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 256,032

Proper Divisor Sum 35,461

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #220559 ← → #220573

1 13 19 47 247 361 611 893 4,693 11,609 16,967 220,571

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

220,571 661,714 330,857 992,572 496,286 248,143 744,430 372,215 1,116,646 558,323 1,674,970 837,485 2,512,456 1,256,228 628,114 314,057 942,172 471,086 235,543 706,630 353,315 1,059,946 529,973 1,589,920 794,960 397,480 198,740 99,370 49,685 149,056 74,528 37,264 18,632 9,316 4,658 2,329 6,988 3,494 1,747 5,242 2,621 7,864 3,932 1,966 983 2,950 1,475 4,426 2,213 6,640 3,320 1,660 830 415 1,246 623 1,870 935 2,806 1,403

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