2 × 17 × 89 × 211

Prime Factor Structure

Factorization String 2 × 17 × 89 × 211

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,030,320

Proper Divisor Sum 391,834

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #638467 ← → #638489

1 2 17 34 89 178 211 422 1,513 3,026 3,587 7,174 18,779 37,558 319,243 638,486

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

638,486 319,243 957,730 478,865 1,436,596 718,298 359,149 1,077,448 538,724 269,362 134,681 404,044 202,022 101,011 303,034 151,517 454,552 227,276 113,638 56,819 170,458 85,229 255,688 127,844 63,922 31,961 95,884 47,942 23,971 71,914 35,957 107,872 53,936 26,968 13,484 6,742 3,371 10,114 5,057 15,172 7,586 3,793 11,380 5,690 2,845 8,536 4,268 2,134 1,067 3,202 1,601 4,804 2,402 1,201 3,604 1,802 901 2,704 1,352 676

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