7 × 13 × 139 × 173

Prime Factor Structure

Factorization String 7 × 13 × 139 × 173

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,728,320

Proper Divisor Sum 540,043

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #2188271 ← → #2188279

1 7 13 91 139 173 973 1,211 1,807 2,249 12,649 15,743 24,047 168,329 312,611 2,188,277

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

2,188,277 6,564,832 3,282,416 1,641,208 820,604 410,302 205,151 615,454 307,727 923,182 461,591 1,384,774 692,387 2,077,162 1,038,581 3,115,744 1,557,872 778,936 389,468 194,734 97,367 292,102 146,051 438,154 219,077 657,232 328,616 164,308 82,154 41,077 123,232 61,616 30,808 15,404 7,702 3,851 11,554 5,777 17,332 8,666 4,333 13,000 6,500 3,250 1,625 4,876 2,438 1,219 3,658 1,829 5,488 2,744 1,372 686 343 1,030 515 1,546 773 2,320

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