2⁴ × 67 × 643

Prime Factor Structure

Factorization String 2^4 × 67 × 643

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 20

Divisor Sum (σ) 1,357,552

Proper Divisor Sum 668,256

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #689291 ← → #689309

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

689,296 344,648 172,324 86,162 43,081 129,244 64,622 32,311 96,934 48,467 145,402 72,701 218,104 109,052 54,526 27,263 81,790 40,895 122,686 61,343 184,030 92,015 276,046 138,023 414,070 207,035 621,106 310,553 931,660 465,830 232,915 698,746 349,373 1,048,120 524,060 262,030 131,015 393,046 196,523 589,570 294,785 884,356 442,178 221,089 663,268 331,634 165,817 497,452 248,726 124,363 373,090 186,545 559,636 279,818 139,909 419,728 209,864 104,932 52,466 26,233

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