2⁴ × 53 × 811

Prime Factor Structure

Factorization String 2^4 × 53 × 811

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 20

Divisor Sum (σ) 1,359,288

Proper Divisor Sum 671,560

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #687721 ← → #687737

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

687,728 343,864 171,932 85,966 42,983 128,950 64,475 193,426 96,713 290,140 145,070 72,535 217,606 108,803 326,410 163,205 489,616 244,808 122,404 61,202 30,601 91,804 45,902 22,951 68,854 34,427 103,282 51,641 154,924 77,462 38,731 116,194 58,097 174,292 87,146 43,573 130,720 65,360 32,680 16,340 8,170 4,085 12,256 6,128 3,064 1,532 766 383 1,150 575 1,726 863 2,590 1,295 3,886 1,943 5,830 2,915 8,746 4,373

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