139 × 3889

Prime Factor Structure

Factorization String 139 × 3889

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 544,600

Proper Divisor Sum 4,029

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #540559 ← → #540577

1 139 3,889 540,571

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

540,571 1,621,714 810,857 2,432,572 1,216,286 608,143 1,824,430 912,215 2,736,646 1,368,323 4,104,970 2,052,485 6,157,456 3,078,728 1,539,364 769,682 384,841 1,154,524 577,262 288,631 865,894 432,947 1,298,842 649,421 1,948,264 974,132 487,066 243,533 730,600 365,300 182,650 91,325 273,976 136,988 68,494 34,247 102,742 51,371 154,114 77,057 231,172 115,586 57,793 173,380 86,690 43,345 130,036 65,018 32,509 97,528 48,764 24,382 12,191 36,574 18,287 54,862 27,431 82,294 41,147 123,442

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