13 × 17 × 19 × 163

Prime Factor Structure

Factorization String 13 × 17 × 19 × 163

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 826,560

Proper Divisor Sum 142,123

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #684433 ← → #684443

1 13 17 19 163 221 247 323 2,119 2,771 3,097 4,199 36,023 40,261 52,649 684,437

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

684,437 2,053,312 1,026,656 513,328 256,664 128,332 64,166 32,083 96,250 48,125 144,376 72,188 36,094 18,047 54,142 27,071 81,214 40,607 121,822 60,911 182,734 91,367 274,102 137,051 411,154 205,577 616,732 308,366 154,183 462,550 231,275 693,826 346,913 1,040,740 520,370 260,185 780,556 390,278 195,139 585,418 292,709 878,128 439,064 219,532 109,766 54,883 164,650 82,325 246,976 123,488 61,744 30,872 15,436 7,718 3,859 11,578 5,789 17,368 8,684 4,342

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