3 × 17 × 31 × 5639

Prime Factor Structure

Factorization String 3 × 17 × 31 × 5639

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 12,994,560

Proper Divisor Sum 4,079,301

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #8915243 ← → #8915281

1 3 17 31 51 93 527 1,581 5,639 16,917 95,863 174,809 287,589 524,427 2,971,753 8,915,259

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

8,915,259 26,745,778 13,372,889 40,118,668 20,059,334 10,029,667 30,089,002 15,044,501 45,133,504 22,566,752 11,283,376 5,641,688 2,820,844 1,410,422 705,211 2,115,634 1,057,817 3,173,452 1,586,726 793,363 2,380,090 1,190,045 3,570,136 1,785,068 892,534 446,267 1,338,802 669,401 2,008,204 1,004,102 502,051 1,506,154 753,077 2,259,232 1,129,616 564,808 282,404 141,202 70,601 211,804 105,902 52,951 158,854 79,427 238,282 119,141 357,424 178,712 89,356 44,678 22,339 67,018 33,509 100,528 50,264 25,132 12,566 6,283 18,850 9,425

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