3 × 19 × 37 × 257

Prime Factor Structure

Factorization String 3 × 19 × 37 × 257

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 784,320

Proper Divisor Sum 242,307

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #541999 ← → #542021

1 3 19 37 57 111 257 703 771 2,109 4,883 9,509 14,649 28,527 180,671 542,013

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

542,013 1,626,040 813,020 406,510 203,255 609,766 304,883 914,650 457,325 1,371,976 685,988 342,994 171,497 514,492 257,246 128,623 385,870 192,935 578,806 289,403 868,210 434,105 1,302,316 651,158 325,579 976,738 488,369 1,465,108 732,554 366,277 1,098,832 549,416 274,708 137,354 68,677 206,032 103,016 51,508 25,754 12,877 38,632 19,316 9,658 4,829 14,488 7,244 3,622 1,811 5,434 2,717 8,152 4,076 2,038 1,019 3,058 1,529 4,588 2,294 1,147 3,442

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