7 × 13 × 409 × 443

Prime Factor Structure

Factorization String 7 × 13 × 409 × 443

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 20,388,480

Proper Divisor Sum 3,900,463

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #16488013 ← → #16488047

1 7 13 91 409 443 2,863 3,101 5,317 5,759 37,219 40,313 181,187 1,268,309 2,355,431 16,488,017

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

16,488,017 49,464,052 24,732,026 12,366,013 37,098,040 18,549,020 9,274,510 4,637,255 13,911,766 6,955,883 20,867,650 10,433,825 31,301,476 15,650,738 7,825,369 23,476,108 11,738,054 5,869,027 17,607,082 8,803,541 26,410,624 13,205,312 6,602,656 3,301,328 1,650,664 825,332 412,666 206,333 619,000 309,500 154,750 77,375 232,126 116,063 348,190 174,095 522,286 261,143 783,430 391,715 1,175,146 587,573 1,762,720 881,360 440,680 220,340 110,170 55,085 165,256 82,628 41,314 20,657 61,972 30,986 15,493 46,480 23,240 11,620 5,810 2,905

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