3 × 29 × 47 × 157

Prime Factor Structure

Factorization String 3 × 29 × 47 × 157

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 910,080

Proper Divisor Sum 268,107

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #641969 ← → #641981

1 3 29 47 87 141 157 471 1,363 4,089 4,553 7,379 13,659 22,137 213,991 641,973

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

641,973 1,925,920 962,960 481,480 240,740 120,370 60,185 180,556 90,278 45,139 135,418 67,709 203,128 101,564 50,782 25,391 76,174 38,087 114,262 57,131 171,394 85,697 257,092 128,546 64,273 192,820 96,410 48,205 144,616 72,308 36,154 18,077 54,232 27,116 13,558 6,779 20,338 10,169 30,508 15,254 7,627 22,882 11,441 34,324 17,162 8,581 25,744 12,872 6,436 3,218 1,609 4,828 2,414 1,207 3,622 1,811 5,434 2,717 8,152 4,076

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