2 × 13 × 31 × 521

Prime Factor Structure

Factorization String 2 × 13 × 31 × 521

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 701,568

Proper Divisor Sum 281,642

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #419921 ← → #419927

1 2 13 26 31 62 403 521 806 1,042 6,773 13,546 16,151 32,302 209,963 419,926

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

419,926 209,963 629,890 314,945 944,836 472,418 236,209 708,628 354,314 177,157 531,472 265,736 132,868 66,434 33,217 99,652 49,826 24,913 74,740 37,370 18,685 56,056 28,028 14,014 7,007 21,022 10,511 31,534 15,767 47,302 23,651 70,954 35,477 106,432 53,216 26,608 13,304 6,652 3,326 1,663 4,990 2,495 7,486 3,743 11,230 5,615 16,846 8,423 25,270 12,635 37,906 18,953 56,860 28,430 14,215 42,646 21,323 63,970 31,985 95,956

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