5 × 11 × 19 × 137

Prime Factor Structure

Factorization String 5 × 11 × 19 × 137

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 198,720

Proper Divisor Sum 55,555

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #143159 ← → #143177

1 5 11 19 55 95 137 209 685 1,045 1,507 2,603 7,535 13,015 28,633 143,165

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

143,165 429,496 214,748 107,374 53,687 161,062 80,531 241,594 120,797 362,392 181,196 90,598 45,299 135,898 67,949 203,848 101,924 50,962 25,481 76,444 38,222 19,111 57,334 28,667 86,002 43,001 129,004 64,502 32,251 96,754 48,377 145,132 72,566 36,283 108,850 54,425 163,276 81,638 40,819 122,458 61,229 183,688 91,844 45,922 22,961 68,884 34,442 17,221 51,664 25,832 12,916 6,458 3,229 9,688 4,844 2,422 1,211 3,634 1,817 5,452

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