5 × 7 × 13 × 1987

Prime Factor Structure

Factorization String 5 × 7 × 13 × 1987

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,335,936

Proper Divisor Sum 431,851

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #904073 ← → #904087

1 5 7 13 35 65 91 455 1,987 9,935 13,909 25,831 69,545 129,155 180,817 904,085

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

904,085 2,712,256 1,356,128 678,064 339,032 169,516 84,758 42,379 127,138 63,569 190,708 95,354 47,677 143,032 71,516 35,758 17,879 53,638 26,819 80,458 40,229 120,688 60,344 30,172 15,086 7,543 22,630 11,315 33,946 16,973 50,920 25,460 12,730 6,365 19,096 9,548 4,774 2,387 7,162 3,581 10,744 5,372 2,686 1,343 4,030 2,015 6,046 3,023 9,070 4,535 13,606 6,803 20,410 10,205 30,616 15,308 7,654 3,827 11,482 5,741

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