3 × 7 × 137 × 233

Prime Factor Structure

Factorization String 3 × 7 × 137 × 233

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,033,344

Proper Divisor Sum 363,003

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #670333 ← → #670343

1 3 7 21 137 233 411 699 959 1,631 2,877 4,893 31,921 95,763 223,447 670,341

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

670,341 2,011,024 1,005,512 502,756 251,378 125,689 377,068 188,534 94,267 282,802 141,401 424,204 212,102 106,051 318,154 159,077 477,232 238,616 119,308 59,654 29,827 89,482 44,741 134,224 67,112 33,556 16,778 8,389 25,168 12,584 6,292 3,146 1,573 4,720 2,360 1,180 590 295 886 443 1,330 665 1,996 998 499 1,498 749 2,248 1,124 562 281 844 422 211 634 317 952 476 238 119

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