7 × 257 × 383

Prime Factor Structure

Factorization String 7 × 257 × 383

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 792,576

Proper Divisor Sum 103,559

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #688999 ← → #689021

1 7 257 383 1,799 2,681 98,431 689,017

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

689,017 2,067,052 1,033,526 516,763 1,550,290 775,145 2,325,436 1,162,718 581,359 1,744,078 872,039 2,616,118 1,308,059 3,924,178 1,962,089 5,886,268 2,943,134 1,471,567 4,414,702 2,207,351 6,622,054 3,311,027 9,933,082 4,966,541 14,899,624 7,449,812 3,724,906 1,862,453 5,587,360 2,793,680 1,396,840 698,420 349,210 174,605 523,816 261,908 130,954 65,477 196,432 98,216 49,108 24,554 12,277 36,832 18,416 9,208 4,604 2,302 1,151 3,454 1,727 5,182 2,591 7,774 3,887 11,662 5,831 17,494 8,747 26,242

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