2² × 5 × 32341

Prime Factor Structure

Factorization String 2^2 × 5 × 32341

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,358,364

Proper Divisor Sum 711,544

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #646781 ← → #646823

1 2 4 5 10 20 32,341 64,682 129,364 161,705 323,410 646,820

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

646,820 323,410 161,705 485,116 242,558 121,279 363,838 181,919 545,758 272,879 818,638 409,319 1,227,958 613,979 1,841,938 920,969 2,762,908 1,381,454 690,727 2,072,182 1,036,091 3,108,274 1,554,137 4,662,412 2,331,206 1,165,603 3,496,810 1,748,405 5,245,216 2,622,608 1,311,304 655,652 327,826 163,913 491,740 245,870 122,935 368,806 184,403 553,210 276,605 829,816 414,908 207,454 103,727 311,182 155,591 466,774 233,387 700,162 350,081 1,050,244 525,122 262,561 787,684 393,842 196,921 590,764 295,382 147,691

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