5 × 13 × 31 × 109

Prime Factor Structure

Factorization String 5 × 13 × 31 × 109

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 295,680

Proper Divisor Sum 76,045

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #219629 ← → #219647

1 5 13 31 65 109 155 403 545 1,417 2,015 3,379 7,085 16,895 43,927 219,635

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

219,635 658,906 329,453 988,360 494,180 247,090 123,545 370,636 185,318 92,659 277,978 138,989 416,968 208,484 104,242 52,121 156,364 78,182 39,091 117,274 58,637 175,912 87,956 43,978 21,989 65,968 32,984 16,492 8,246 4,123 12,370 6,185 18,556 9,278 4,639 13,918 6,959 20,878 10,439 31,318 15,659 46,978 23,489 70,468 35,234 17,617 52,852 26,426 13,213 39,640 19,820 9,910 4,955 14,866 7,433 22,300 11,150 5,575 16,726 8,363

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