3 × 7 × 139 × 163

Prime Factor Structure

Factorization String 3 × 7 × 139 × 163

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 734,720

Proper Divisor Sum 258,923

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #475793 ← → #475807

1 3 7 21 139 163 417 489 973 1,141 2,919 3,423 22,657 67,971 158,599 475,797

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

475,797 1,427,392 713,696 356,848 178,424 89,212 44,606 22,303 66,910 33,455 100,366 50,183 150,550 75,275 225,826 112,913 338,740 169,370 84,685 254,056 127,028 63,514 31,757 95,272 47,636 23,818 11,909 35,728 17,864 8,932 4,466 2,233 6,700 3,350 1,675 5,026 2,513 7,540 3,770 1,885 5,656 2,828 1,414 707 2,122 1,061 3,184 1,592 796 398 199 598 299 898 449 1,348 674 337 1,012 506

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