421 × 1559

Prime Factor Structure

Factorization String 421 × 1559

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 658,320

Proper Divisor Sum 1,981

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #656333 ← → #656347

1 421 1,559 656,339

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

656,339 1,969,018 984,509 2,953,528 1,476,764 738,382 369,191 1,107,574 553,787 1,661,362 830,681 2,492,044 1,246,022 623,011 1,869,034 934,517 2,803,552 1,401,776 700,888 350,444 175,222 87,611 262,834 131,417 394,252 197,126 98,563 295,690 147,845 443,536 221,768 110,884 55,442 27,721 83,164 41,582 20,791 62,374 31,187 93,562 46,781 140,344 70,172 35,086 17,543 52,630 26,315 78,946 39,473 118,420 59,210 29,605 88,816 44,408 22,204 11,102 5,551 16,654 8,327 24,982

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