3 × 19 × 31 × 79

Prime Factor Structure

Factorization String 3 × 19 × 31 × 79

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 204,800

Proper Divisor Sum 65,207

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #139591 ← → #139597

1 3 19 31 57 79 93 237 589 1,501 1,767 2,449 4,503 7,347 46,531 139,593

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

139,593 418,780 209,390 104,695 314,086 157,043 471,130 235,565 706,696 353,348 176,674 88,337 265,012 132,506 66,253 198,760 99,380 49,690 24,845 74,536 37,268 18,634 9,317 27,952 13,976 6,988 3,494 1,747 5,242 2,621 7,864 3,932 1,966 983 2,950 1,475 4,426 2,213 6,640 3,320 1,660 830 415 1,246 623 1,870 935 2,806 1,403 4,210 2,105 6,316 3,158 1,579 4,738 2,369 7,108 3,554 1,777 5,332

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