3 × 7 × 43 × 19391

Prime Factor Structure

Factorization String 3 × 7 × 43 × 19391

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 27,303,936

Proper Divisor Sum 9,793,863

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #17510069 ← → #17510081

1 3 7 21 43 129 301 903 19,391 58,173 135,737 407,211 833,813 2,501,439 5,836,691 17,510,073

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

17,510,073 52,530,220 26,265,110 13,132,555 39,397,666 19,698,833 59,096,500 29,548,250 14,774,125 44,322,376 22,161,188 11,080,594 5,540,297 16,620,892 8,310,446 4,155,223 12,465,670 6,232,835 18,698,506 9,349,253 28,047,760 14,023,880 7,011,940 3,505,970 1,752,985 5,258,956 2,629,478 1,314,739 3,944,218 1,972,109 5,916,328 2,958,164 1,479,082 739,541 2,218,624 1,109,312 554,656 277,328 138,664 69,332 34,666 17,333 52,000 26,000 13,000 6,500 3,250 1,625 4,876 2,438 1,219 3,658 1,829 5,488 2,744 1,372 686 343 1,030 515

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