7 × 11 × 19 × 643

Prime Factor Structure

Factorization String 7 × 11 × 19 × 643

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,236,480

Proper Divisor Sum 295,771

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #940703 ← → #940721

1 7 11 19 77 133 209 643 1,463 4,501 7,073 12,217 49,511 85,519 134,387 940,709

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

940,709 2,822,128 1,411,064 705,532 352,766 176,383 529,150 264,575 793,726 396,863 1,190,590 595,295 1,785,886 892,943 2,678,830 1,339,415 4,018,246 2,009,123 6,027,370 3,013,685 9,041,056 4,520,528 2,260,264 1,130,132 565,066 282,533 847,600 423,800 211,900 105,950 52,975 158,926 79,463 238,390 119,195 357,586 178,793 536,380 268,190 134,095 402,286 201,143 603,430 301,715 905,146 452,573 1,357,720 678,860 339,430 169,715 509,146 254,573 763,720 381,860 190,930 95,465 286,396 143,198 71,599 214,798

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