13 × 139 × 349

Prime Factor Structure

Factorization String 13 × 139 × 349

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 686,000

Proper Divisor Sum 55,357

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #630613 ← → #630659

1 13 139 349 1,807 4,537 48,511 630,643

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

630,643 1,891,930 945,965 2,837,896 1,418,948 709,474 354,737 1,064,212 532,106 266,053 798,160 399,080 199,540 99,770 49,885 149,656 74,828 37,414 18,707 56,122 28,061 84,184 42,092 21,046 10,523 31,570 15,785 47,356 23,678 11,839 35,518 17,759 53,278 26,639 79,918 39,959 119,878 59,939 179,818 89,909 269,728 134,864 67,432 33,716 16,858 8,429 25,288 12,644 6,322 3,161 9,484 4,742 2,371 7,114 3,557 10,672 5,336 2,668 1,334 667

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