641 × 661

Prime Factor Structure

Factorization String 641 × 661

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 425,004

Proper Divisor Sum 1,303

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #423697 ← → #423707

1 641 661 423,701

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

423,701 1,271,104 635,552 317,776 158,888 79,444 39,722 19,861 59,584 29,792 14,896 7,448 3,724 1,862 931 2,794 1,397 4,192 2,096 1,048 524 262 131 394 197 592 296 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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