3 × 7 × 13 × 1489

Prime Factor Structure

Factorization String 3 × 7 × 13 × 1489

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 667,520

Proper Divisor Sum 261,023

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #406481 ← → #406499

1 3 7 13 21 39 91 273 1,489 4,467 10,423 19,357 31,269 58,071 135,499 406,497

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

406,497 1,219,492 609,746 304,873 914,620 457,310 228,655 685,966 342,983 1,028,950 514,475 1,543,426 771,713 2,315,140 1,157,570 578,785 1,736,356 868,178 434,089 1,302,268 651,134 325,567 976,702 488,351 1,465,054 732,527 2,197,582 1,098,791 3,296,374 1,648,187 4,944,562 2,472,281 7,416,844 3,708,422 1,854,211 5,562,634 2,781,317 8,343,952 4,171,976 2,085,988 1,042,994 521,497 1,564,492 782,246 391,123 1,173,370 586,685 1,760,056 880,028 440,014 220,007 660,022 330,011 990,034 495,017 1,485,052 742,526 371,263 1,113,790 556,895

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