19 × 23 × 67 × 311

Prime Factor Structure

Factorization String 19 × 23 × 67 × 311

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 10,183,680

Proper Divisor Sum 1,077,911

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #9105749 ← → #9105779

1 19 23 67 311 437 1,273 1,541 5,909 7,153 20,837 29,279 135,907 395,903 479,251 9,105,769

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

9,105,769 27,317,308 13,658,654 6,829,327 20,487,982 10,243,991 30,731,974 15,365,987 46,097,962 23,048,981 69,146,944 34,573,472 17,286,736 8,643,368 4,321,684 2,160,842 1,080,421 3,241,264 1,620,632 810,316 405,158 202,579 607,738 303,869 911,608 455,804 227,902 113,951 341,854 170,927 512,782 256,391 769,174 384,587 1,153,762 576,881 1,730,644 865,322 432,661 1,297,984 648,992 324,496 162,248 81,124 40,562 20,281 60,844 30,422 15,211 45,634 22,817 68,452 34,226 17,113 51,340 25,670 12,835 38,506 19,253 57,760

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