5² × 131 × 197

Prime Factor Structure

Factorization String 5^2 × 131 × 197

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 810,216

Proper Divisor Sum 165,041

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #645149 ← → #645179

1 5 25 131 197 655 985 3,275 4,925 25,807 129,035 645,175

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

645,175 1,935,526 967,763 2,903,290 1,451,645 4,354,936 2,177,468 1,088,734 544,367 1,633,102 816,551 2,449,654 1,224,827 3,674,482 1,837,241 5,511,724 2,755,862 1,377,931 4,133,794 2,066,897 6,200,692 3,100,346 1,550,173 4,650,520 2,325,260 1,162,630 581,315 1,743,946 871,973 2,615,920 1,307,960 653,980 326,990 163,495 490,486 245,243 735,730 367,865 1,103,596 551,798 275,899 827,698 413,849 1,241,548 620,774 310,387 931,162 465,581 1,396,744 698,372 349,186 174,593 523,780 261,890 130,945 392,836 196,418 98,209 294,628 147,314

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