689309

Prime Factor Structure

Factorization String 689309

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 689,310

Proper Divisor Sum 1

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #689291 ← → #689317

1 689,309

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

689,309 2,067,928 1,033,964 516,982 258,491 775,474 387,737 1,163,212 581,606 290,803 872,410 436,205 1,308,616 654,308 327,154 163,577 490,732 245,366 122,683 368,050 184,025 552,076 276,038 138,019 414,058 207,029 621,088 310,544 155,272 77,636 38,818 19,409 58,228 29,114 14,557 43,672 21,836 10,918 5,459 16,378 8,189 24,568 12,284 6,142 3,071 9,214 4,607 13,822 6,911 20,734 10,367 31,102 15,551 46,654 23,327 69,982 34,991 104,974 52,487 157,462

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