2 × 5 × 139 × 463

Prime Factor Structure

Factorization String 2 × 5 × 139 × 463

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,169,280

Proper Divisor Sum 525,710

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #643567 ← → #643583

1 2 5 10 139 278 463 695 926 1,390 2,315 4,630 64,357 128,714 321,785 643,570

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

643,570 321,785 965,356 482,678 241,339 724,018 362,009 1,086,028 543,014 271,507 814,522 407,261 1,221,784 610,892 305,446 152,723 458,170 229,085 687,256 343,628 171,814 85,907 257,722 128,861 386,584 193,292 96,646 48,323 144,970 72,485 217,456 108,728 54,364 27,182 13,591 40,774 20,387 61,162 30,581 91,744 45,872 22,936 11,468 5,734 2,867 8,602 4,301 12,904 6,452 3,226 1,613 4,840 2,420 1,210 605 1,816 908 454 227 682

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