2 × 13 × 25603

Prime Factor Structure

Factorization String 2 × 13 × 25603

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,075,368

Proper Divisor Sum 409,690

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #665677 ← → #665713

1 2 13 26 25,603 51,206 332,839 665,678

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

665,678 332,839 998,518 499,259 1,497,778 748,889 2,246,668 1,123,334 561,667 1,685,002 842,501 2,527,504 1,263,752 631,876 315,938 157,969 473,908 236,954 118,477 355,432 177,716 88,858 44,429 133,288 66,644 33,322 16,661 49,984 24,992 12,496 6,248 3,124 1,562 781 2,344 1,172 586 293 880 440 220 110 55 166 83 250 125 376 188 94 47 142 71 214 107 322 161 484 242 121

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