137 × 1559

Prime Factor Structure

Factorization String 137 × 1559

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 215,280

Proper Divisor Sum 1,697

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #213557 ← → #213589

1 137 1,559 213,583

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

213,583 640,750 320,375 961,126 480,563 1,441,690 720,845 2,162,536 1,081,268 540,634 270,317 810,952 405,476 202,738 101,369 304,108 152,054 76,027 228,082 114,041 342,124 171,062 85,531 256,594 128,297 384,892 192,446 96,223 288,670 144,335 433,006 216,503 649,510 324,755 974,266 487,133 1,461,400 730,700 365,350 182,675 548,026 274,013 822,040 411,020 205,510 102,755 308,266 154,133 462,400 231,200 115,600 57,800 28,900 14,450 7,225 21,676 10,838 5,419 16,258 8,129

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