2 × 13 × 37 × 18869

Prime Factor Structure

Factorization String 2 × 13 × 37 × 18869

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 30,116,520

Proper Divisor Sum 11,964,542

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #18151967 ← → #18151979

1 2 13 26 37 74 481 962 18,869 37,738 245,297 490,594 698,153 1,396,306 9,075,989 18,151,978

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

18,151,978 9,075,989 27,227,968 13,613,984 6,806,992 3,403,496 1,701,748 850,874 425,437 1,276,312 638,156 319,078 159,539 478,618 239,309 717,928 358,964 179,482 89,741 269,224 134,612 67,306 33,653 100,960 50,480 25,240 12,620 6,310 3,155 9,466 4,733 14,200 7,100 3,550 1,775 5,326 2,663 7,990 3,995 11,986 5,993 17,980 8,990 4,495 13,486 6,743 20,230 10,115 30,346 15,173 45,520 22,760 11,380 5,690 2,845 8,536 4,268 2,134 1,067 3,202

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