2 × 5 × 157 × 439

Prime Factor Structure

Factorization String 2 × 5 × 157 × 439

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,251,360

Proper Divisor Sum 562,130

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #689219 ← → #689233

1 2 5 10 157 314 439 785 878 1,570 2,195 4,390 68,923 137,846 344,615 689,230

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

689,230 344,615 1,033,846 516,923 1,550,770 775,385 2,326,156 1,163,078 581,539 1,744,618 872,309 2,616,928 1,308,464 654,232 327,116 163,558 81,779 245,338 122,669 368,008 184,004 92,002 46,001 138,004 69,002 34,501 103,504 51,752 25,876 12,938 6,469 19,408 9,704 4,852 2,426 1,213 3,640 1,820 910 455 1,366 683 2,050 1,025 3,076 1,538 769 2,308 1,154 577 1,732 866 433 1,300 650 325 976 488 244 122

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