2² × 5 × 646831

Prime Factor Structure

Factorization String 2^2 × 5 × 646831

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 27,166,944

Proper Divisor Sum 14,230,324

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #12936617 ← → #12936631

1 2 4 5 10 20 646,831 1,293,662 2,587,324 3,234,155 6,468,310 12,936,620

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

12,936,620 6,468,310 3,234,155 9,702,466 4,851,233 14,553,700 7,276,850 3,638,425 10,915,276 5,457,638 2,728,819 8,186,458 4,093,229 12,279,688 6,139,844 3,069,922 1,534,961 4,604,884 2,302,442 1,151,221 3,453,664 1,726,832 863,416 431,708 215,854 107,927 323,782 161,891 485,674 242,837 728,512 364,256 182,128 91,064 45,532 22,766 11,383 34,150 17,075 51,226 25,613 76,840 38,420 19,210 9,605 28,816 14,408 7,204 3,602 1,801 5,404 2,702 1,351 4,054 2,027 6,082 3,041 9,124 4,562 2,281

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