2 × 23 × 67 × 139

Prime Factor Structure

Factorization String 2 × 23 × 67 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 685,440

Proper Divisor Sum 257,042

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #428369 ← → #428401

1 2 23 46 67 134 139 278 1,541 3,082 3,197 6,394 9,313 18,626 214,199 428,398

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

428,398 214,199 642,598 321,299 963,898 481,949 1,445,848 722,924 361,462 180,731 542,194 271,097 813,292 406,646 203,323 609,970 304,985 914,956 457,478 228,739 686,218 343,109 1,029,328 514,664 257,332 128,666 64,333 193,000 96,500 48,250 24,125 72,376 36,188 18,094 9,047 27,142 13,571 40,714 20,357 61,072 30,536 15,268 7,634 3,817 11,452 5,726 2,863 8,590 4,295 12,886 6,443 19,330 9,665 28,996 14,498 7,249 21,748 10,874 5,437 16,312

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