2 × 13 × 43 × 193

Prime Factor Structure

Factorization String 2 × 13 × 43 × 193

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 358,512

Proper Divisor Sum 142,738

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #215771 ← → #215797

1 2 13 26 43 86 193 386 559 1,118 2,509 5,018 8,299 16,598 107,887 215,774

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

215,774 107,887 323,662 161,831 485,494 242,747 728,242 364,121 1,092,364 546,182 273,091 819,274 409,637 1,228,912 614,456 307,228 153,614 76,807 230,422 115,211 345,634 172,817 518,452 259,226 129,613 388,840 194,420 97,210 48,605 145,816 72,908 36,454 18,227 54,682 27,341 82,024 41,012 20,506 10,253 30,760 15,380 7,690 3,845 11,536 5,768 2,884 1,442 721 2,164 1,082 541 1,624 812 406 203 610 305 916 458 229

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