2³ × 5³ × 643

Prime Factor Structure

Factorization String 2^3 × 5^3 × 643

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 1,506,960

Proper Divisor Sum 863,960

Digit Sum / Digital Root 13 (Root: 4)

Adjacent Primes #642997 ← → #643009

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

643,000 321,500 160,750 80,375 241,126 120,563 361,690 180,845 542,536 271,268 135,634 67,817 203,452 101,726 50,863 152,590 76,295 228,886 114,443 343,330 171,665 514,996 257,498 128,749 386,248 193,124 96,562 48,281 144,844 72,422 36,211 108,634 54,317 162,952 81,476 40,738 20,369 61,108 30,554 15,277 45,832 22,916 11,458 5,729 17,188 8,594 4,297 12,892 6,446 3,223 9,670 4,835 14,506 7,253 21,760 10,880 5,440 2,720 1,360 680

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