5 × 17 × 151 × 1667

Prime Factor Structure

Factorization String 5 × 17 × 151 × 1667

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 27,381,888

Proper Divisor Sum 5,985,943

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #21395929 ← → #21395947

1 5 17 85 151 755 1,667 2,567 8,335 12,835 28,339 141,695 251,717 1,258,585 4,279,189 21,395,945

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

21,395,945 64,187,836 32,093,918 16,046,959 48,140,878 24,070,439 72,211,318 36,105,659 108,316,978 54,158,489 162,475,468 81,237,734 40,618,867 121,856,602 60,928,301 182,784,904 91,392,452 45,696,226 22,848,113 68,544,340 34,272,170 17,136,085 51,408,256 25,704,128 12,852,064 6,426,032 3,213,016 1,606,508 803,254 401,627 1,204,882 602,441 1,807,324 903,662 451,831 1,355,494 677,747 2,033,242 1,016,621 3,049,864 1,524,932 762,466 381,233 1,143,700 571,850 285,925 857,776 428,888 214,444 107,222 53,611 160,834 80,417 241,252 120,626 60,313 180,940 90,470 45,235 135,706

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