3 × 7 × 521 × 1601

Prime Factor Structure

Factorization String 3 × 7 × 521 × 1601

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 26,759,808

Proper Divisor Sum 9,243,267

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #17516533 ← → #17516563

1 3 7 21 521 1,563 1,601 3,647 4,803 10,941 11,207 33,621 834,121 2,502,363 5,838,847 17,516,541

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

17,516,541 52,549,624 26,274,812 13,137,406 6,568,703 19,706,110 9,853,055 29,559,166 14,779,583 44,338,750 22,169,375 66,508,126 33,254,063 99,762,190 49,881,095 149,643,286 74,821,643 224,464,930 112,232,465 336,697,396 168,348,698 84,174,349 252,523,048 126,261,524 63,130,762 31,565,381 94,696,144 47,348,072 23,674,036 11,837,018 5,918,509 17,755,528 8,877,764 4,438,882 2,219,441 6,658,324 3,329,162 1,664,581 4,993,744 2,496,872 1,248,436 624,218 312,109 936,328 468,164 234,082 117,041 351,124 175,562 87,781 263,344 131,672 65,836 32,918 16,459 49,378 24,689 74,068 37,034 18,517

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