2³ × 13 × 12689

Prime Factor Structure

Factorization String 2^3 × 13 × 12689

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,664,900

Proper Divisor Sum 1,345,244

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #1319651 ← → #1319687

1 2 4 8 13 26 52 104 12,689 25,378 50,756 101,512 164,957 329,914 659,828 1,319,656

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

1,319,656 659,828 329,914 164,957 494,872 247,436 123,718 61,859 185,578 92,789 278,368 139,184 69,592 34,796 17,398 8,699 26,098 13,049 39,148 19,574 9,787 29,362 14,681 44,044 22,022 11,011 33,034 16,517 49,552 24,776 12,388 6,194 3,097 9,292 4,646 2,323 6,970 3,485 10,456 5,228 2,614 1,307 3,922 1,961 5,884 2,942 1,471 4,414 2,207 6,622 3,311 9,934 4,967 14,902 7,451 22,354 11,177 33,532 16,766 8,383

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