13 × 19 × 1583

Prime Factor Structure

Factorization String 13 × 19 × 1583

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 443,520

Proper Divisor Sum 52,519

Digit Sum / Digital Root 14 (Root: 5)

Adjacent Primes #390991 ← → #391009

1 13 19 247 1,583 20,579 30,077 391,001

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

391,001 1,173,004 586,502 293,251 879,754 439,877 1,319,632 659,816 329,908 164,954 82,477 247,432 123,716 61,858 30,929 92,788 46,394 23,197 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

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