2 × 19 × 71 × 157

Prime Factor Structure

Factorization String 2 × 19 × 71 × 157

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 682,560

Proper Divisor Sum 258,974

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #423581 ← → #423587

1 2 19 38 71 142 157 314 1,349 2,698 2,983 5,966 11,147 22,294 211,793 423,586

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

423,586 211,793 635,380 317,690 158,845 476,536 238,268 119,134 59,567 178,702 89,351 268,054 134,027 402,082 201,041 603,124 301,562 150,781 452,344 226,172 113,086 56,543 169,630 84,815 254,446 127,223 381,670 190,835 572,506 286,253 858,760 429,380 214,690 107,345 322,036 161,018 80,509 241,528 120,764 60,382 30,191 90,574 45,287 135,862 67,931 203,794 101,897 305,692 152,846 76,423 229,270 114,635 343,906 171,953 515,860 257,930 128,965 386,896 193,448 96,724

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