131 × 691

Prime Factor Structure

Factorization String 131 × 691

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 91,344

Proper Divisor Sum 823

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #90511 ← → #90523

1 131 691 90,521

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

90,521 271,564 135,782 67,891 203,674 101,837 305,512 152,756 76,378 38,189 114,568 57,284 28,642 14,321 42,964 21,482 10,741 32,224 16,112 8,056 4,028 2,014 1,007 3,022 1,511 4,534 2,267 6,802 3,401 10,204 5,102 2,551 7,654 3,827 11,482 5,741 17,224 8,612 4,306 2,153 6,460 3,230 1,615 4,846 2,423 7,270 3,635 10,906 5,453 16,360 8,180 4,090 2,045 6,136 3,068 1,534 767 2,302 1,151 3,454

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