19 × 23 × 31 × 149

Prime Factor Structure

Factorization String 19 × 23 × 31 × 149

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,304,000

Proper Divisor Sum 285,497

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #2018483 ← → #2018507

1 19 23 31 149 437 589 713 2,831 3,427 4,619 13,547 65,113 87,761 106,237 2,018,503

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

2,018,503 6,055,510 3,027,755 9,083,266 4,541,633 13,624,900 6,812,450 3,406,225 10,218,676 5,109,338 2,554,669 7,664,008 3,832,004 1,916,002 958,001 2,874,004 1,437,002 718,501 2,155,504 1,077,752 538,876 269,438 134,719 404,158 202,079 606,238 303,119 909,358 454,679 1,364,038 682,019 2,046,058 1,023,029 3,069,088 1,534,544 767,272 383,636 191,818 95,909 287,728 143,864 71,932 35,966 17,983 53,950 26,975 80,926 40,463 121,390 60,695 182,086 91,043 273,130 136,565 409,696 204,848 102,424 51,212 25,606 12,803

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