23² × 40597

Prime Factor Structure

Factorization String 23^2 × 40597

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 22,450,694

Proper Divisor Sum 974,881

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #21475807 ← → #21475819

1 23 529 40,597 933,731 21,475,813

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

21,475,813 64,427,440 32,213,720 16,106,860 8,053,430 4,026,715 12,080,146 6,040,073 18,120,220 9,060,110 4,530,055 13,590,166 6,795,083 20,385,250 10,192,625 30,577,876 15,288,938 7,644,469 22,933,408 11,466,704 5,733,352 2,866,676 1,433,338 716,669 2,150,008 1,075,004 537,502 268,751 806,254 403,127 1,209,382 604,691 1,814,074 907,037 2,721,112 1,360,556 680,278 340,139 1,020,418 510,209 1,530,628 765,314 382,657 1,147,972 573,986 286,993 860,980 430,490 215,245 645,736 322,868 161,434 80,717 242,152 121,076 60,538 30,269 90,808 45,404 22,702

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