7 × 11 × 13 × 2161

Prime Factor Structure

Factorization String 7 × 11 × 13 × 2161

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,905,728

Proper Divisor Sum 742,567

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #2163137 ← → #2163163

1 7 11 13 77 91 143 1,001 2,161 15,127 23,771 28,093 166,397 196,651 309,023 2,163,161

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

2,163,161 6,489,484 3,244,742 1,622,371 4,867,114 2,433,557 7,300,672 3,650,336 1,825,168 912,584 456,292 228,146 114,073 342,220 171,110 85,555 256,666 128,333 385,000 192,500 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

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