7 × 13 × 137 × 139

Prime Factor Structure

Factorization String 7 × 13 × 137 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,163,840

Proper Divisor Sum 430,927

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #1732909 ← → #1732921

1 7 13 91 137 139 959 973 1,781 1,807 12,467 12,649 19,043 133,301 247,559 1,732,913

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

1,732,913 5,198,740 2,599,370 1,299,685 3,899,056 1,949,528 974,764 487,382 243,691 731,074 365,537 1,096,612 548,306 274,153 822,460 411,230 205,615 616,846 308,423 925,270 462,635 1,387,906 693,953 2,081,860 1,040,930 520,465 1,561,396 780,698 390,349 1,171,048 585,524 292,762 146,381 439,144 219,572 109,786 54,893 164,680 82,340 41,170 20,585 61,756 30,878 15,439 46,318 23,159 69,478 34,739 104,218 52,109 156,328 78,164 39,082 19,541 58,624 29,312 14,656 7,328 3,664 1,832

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