2 × 13 × 639697

Prime Factor Structure

Factorization String 2 × 13 × 639697

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 26,867,316

Proper Divisor Sum 10,235,194

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #16632113 ← → #16632139

1 2 13 26 639,697 1,279,394 8,316,061 16,632,122

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

16,632,122 8,316,061 24,948,184 12,474,092 6,237,046 3,118,523 9,355,570 4,677,785 14,033,356 7,016,678 3,508,339 10,525,018 5,262,509 15,787,528 7,893,764 3,946,882 1,973,441 5,920,324 2,960,162 1,480,081 4,440,244 2,220,122 1,110,061 3,330,184 1,665,092 832,546 416,273 1,248,820 624,410 312,205 936,616 468,308 234,154 117,077 351,232 175,616 87,808 43,904 21,952 10,976 5,488 2,744 1,372 686 343 1,030 515 1,546 773 2,320 1,160 580 290 145 436 218 109 328 164 82

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