139 × 21187

Prime Factor Structure

Factorization String 139 × 21187

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,966,320

Proper Divisor Sum 21,327

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #2944967 ← → #2944999

1 139 21,187 2,944,993

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

2,944,993 8,834,980 4,417,490 2,208,745 6,626,236 3,313,118 1,656,559 4,969,678 2,484,839 7,454,518 3,727,259 11,181,778 5,590,889 16,772,668 8,386,334 4,193,167 12,579,502 6,289,751 18,869,254 9,434,627 28,303,882 14,151,941 42,455,824 21,227,912 10,613,956 5,306,978 2,653,489 7,960,468 3,980,234 1,990,117 5,970,352 2,985,176 1,492,588 746,294 373,147 1,119,442 559,721 1,679,164 839,582 419,791 1,259,374 629,687 1,889,062 944,531 2,833,594 1,416,797 4,250,392 2,125,196 1,062,598 531,299 1,593,898 796,949 2,390,848 1,195,424 597,712 298,856 149,428 74,714 37,357 112,072

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