13 × 151 × 10243

Prime Factor Structure

Factorization String 13 × 151 × 10243

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 21,799,232

Proper Divisor Sum 1,692,223

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #20107007 ← → #20107019

1 13 151 1,963 10,243 133,159 1,546,693 20,107,009

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

20,107,009 60,321,028 30,160,514 15,080,257 45,240,772 22,620,386 11,310,193 33,930,580 16,965,290 8,482,645 25,447,936 12,723,968 6,361,984 3,180,992 1,590,496 795,248 397,624 198,812 99,406 49,703 149,110 74,555 223,666 111,833 335,500 167,750 83,875 251,626 125,813 377,440 188,720 94,360 47,180 23,590 11,795 35,386 17,693 53,080 26,540 13,270 6,635 19,906 9,953 29,860 14,930 7,465 22,396 11,198 5,599 16,798 8,399 25,198 12,599 37,798 18,899 56,698 28,349 85,048 42,524 21,262

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