13 × 53 × 67 × 139

Prime Factor Structure

Factorization String 13 × 53 × 67 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 7,197,120

Proper Divisor Sum 780,463

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #6416653 ← → #6416677

1 13 53 67 139 689 871 1,807 3,551 7,367 9,313 46,163 95,771 121,069 493,589 6,416,657

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

6,416,657 19,249,972 9,624,986 4,812,493 14,437,480 7,218,740 3,609,370 1,804,685 5,414,056 2,707,028 1,353,514 676,757 2,030,272 1,015,136 507,568 253,784 126,892 63,446 31,723 95,170 47,585 142,756 71,378 35,689 107,068 53,534 26,767 80,302 40,151 120,454 60,227 180,682 90,341 271,024 135,512 67,756 33,878 16,939 50,818 25,409 76,228 38,114 19,057 57,172 28,586 14,293 42,880 21,440 10,720 5,360 2,680 1,340 670 335 1,006 503 1,510 755 2,266 1,133

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