3² × 5 × 61 × 251

Prime Factor Structure

Factorization String 3^2 × 5 × 61 × 251

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,218,672

Proper Divisor Sum 529,677

Digit Sum / Digital Root 45 (Root: 9)

Adjacent Primes #688979 ← → #688999

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

688,995 2,066,986 1,033,493 3,100,480 1,550,240 775,120 387,560 193,780 96,890 48,445 145,336 72,668 36,334 18,167 54,502 27,251 81,754 40,877 122,632 61,316 30,658 15,329 45,988 22,994 11,497 34,492 17,246 8,623 25,870 12,935 38,806 19,403 58,210 29,105 87,316 43,658 21,829 65,488 32,744 16,372 8,186 4,093 12,280 6,140 3,070 1,535 4,606 2,303 6,910 3,455 10,366 5,183 15,550 7,775 23,326 11,663 34,990 17,495 52,486 26,243

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