13 × 89 × 137

Prime Factor Structure

Factorization String 13 × 89 × 137

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 173,880

Proper Divisor Sum 15,371

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #158507 ← → #158519

1 13 89 137 1,157 1,781 12,193 158,509

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

158,509 475,528 237,764 118,882 59,441 178,324 89,162 44,581 133,744 66,872 33,436 16,718 8,359 25,078 12,539 37,618 18,809 56,428 28,214 14,107 42,322 21,161 63,484 31,742 15,871 47,614 23,807 71,422 35,711 107,134 53,567 160,702 80,351 241,054 120,527 361,582 180,791 542,374 271,187 813,562 406,781 1,220,344 610,172 305,086 152,543 457,630 228,815 686,446 343,223 1,029,670 514,835 1,544,506 772,253 2,316,760 1,158,380 579,190 289,595 868,786 434,393 1,303,180

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