2³ × 13 × 23 × 269

Prime Factor Structure

Factorization String 2^3 × 13 × 23 × 269

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 1,360,800

Proper Divisor Sum 717,352

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #643439 ← → #643453

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

643,448 321,724 160,862 80,431 241,294 120,647 361,942 180,971 542,914 271,457 814,372 407,186 203,593 610,780 305,390 152,695 458,086 229,043 687,130 343,565 1,030,696 515,348 257,674 128,837 386,512 193,256 96,628 48,314 24,157 72,472 36,236 18,118 9,059 27,178 13,589 40,768 20,384 10,192 5,096 2,548 1,274 637 1,912 956 478 239 718 359 1,078 539 1,618 809 2,428 1,214 607 1,822 911 2,734 1,367 4,102

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