5 × 7 × 89 × 647

Prime Factor Structure

Factorization String 5 × 7 × 89 × 647

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,799,360

Proper Divisor Sum 783,955

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #2015393 ← → #2015411

1 5 7 35 89 445 623 647 3,115 3,235 4,529 22,645 57,583 287,915 403,081 2,015,405

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

2,015,405 6,046,216 3,023,108 1,511,554 755,777 2,267,332 1,133,666 566,833 1,700,500 850,250 425,125 1,275,376 637,688 318,844 159,422 79,711 239,134 119,567 358,702 179,351 538,054 269,027 807,082 403,541 1,210,624 605,312 302,656 151,328 75,664 37,832 18,916 9,458 4,729 14,188 7,094 3,547 10,642 5,321 15,964 7,982 3,991 11,974 5,987 17,962 8,981 26,944 13,472 6,736 3,368 1,684 842 421 1,264 632 316 158 79 238 119 358

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