3 × 7 × 19 × 13339

Prime Factor Structure

Factorization String 3 × 7 × 19 × 13339

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 8,537,600

Proper Divisor Sum 3,215,339

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #5322259 ← → #5322263

1 3 7 19 21 57 133 399 13,339 40,017 93,373 253,441 280,119 760,323 1,774,087 5,322,261

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

5,322,261 15,966,784 7,983,392 3,991,696 1,995,848 997,924 498,962 249,481 748,444 374,222 187,111 561,334 280,667 842,002 421,001 1,263,004 631,502 315,751 947,254 473,627 1,420,882 710,441 2,131,324 1,065,662 532,831 1,598,494 799,247 2,397,742 1,198,871 3,596,614 1,798,307 5,394,922 2,697,461 8,092,384 4,046,192 2,023,096 1,011,548 505,774 252,887 758,662 379,331 1,137,994 568,997 1,706,992 853,496 426,748 213,374 106,687 320,062 160,031 480,094 240,047 720,142 360,071 1,080,214 540,107 1,620,322 810,161 2,430,484 1,215,242

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