5 × 131 × 139

Prime Factor Structure

Factorization String 5 × 131 × 139

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 110,880

Proper Divisor Sum 19,835

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #91033 ← → #91079

1 5 131 139 655 695 18,209 91,045

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

91,045 273,136 136,568 68,284 34,142 17,071 51,214 25,607 76,822 38,411 115,234 57,617 172,852 86,426 43,213 129,640 64,820 32,410 16,205 48,616 24,308 12,154 6,077 18,232 9,116 4,558 2,279 6,838 3,419 10,258 5,129 15,388 7,694 3,847 11,542 5,771 17,314 8,657 25,972 12,986 6,493 19,480 9,740 4,870 2,435 7,306 3,653 10,960 5,480 2,740 1,370 685 2,056 1,028 514 257 772 386 193 580

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