2 × 5 × 2136391

Prime Factor Structure

Factorization String 2 × 5 × 2136391

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 38,455,056

Proper Divisor Sum 17,091,146

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #21363907 ← → #21363949

1 2 5 10 2,136,391 4,272,782 10,681,955 21,363,910

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

21,363,910 10,681,955 32,045,866 16,022,933 48,068,800 24,034,400 12,017,200 6,008,600 3,004,300 1,502,150 751,075 2,253,226 1,126,613 3,379,840 1,689,920 844,960 422,480 211,240 105,620 52,810 26,405 79,216 39,608 19,804 9,902 4,951 14,854 7,427 22,282 11,141 33,424 16,712 8,356 4,178 2,089 6,268 3,134 1,567 4,702 2,351 7,054 3,527 10,582 5,291 15,874 7,937 23,812 11,906 5,953 17,860 8,930 4,465 13,396 6,698 3,349 10,048 5,024 2,512 1,256 628

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