19 × 139 × 1523

Prime Factor Structure

Factorization String 19 × 139 × 1523

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 4,267,200

Proper Divisor Sum 244,957

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #4022203 ← → #4022257

1 19 139 1,523 2,641 28,937 211,697 4,022,243

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

4,022,243 12,066,730 6,033,365 18,100,096 9,050,048 4,525,024 2,262,512 1,131,256 565,628 282,814 141,407 424,222 212,111 636,334 318,167 954,502 477,251 1,431,754 715,877 2,147,632 1,073,816 536,908 268,454 134,227 402,682 201,341 604,024 302,012 151,006 75,503 226,510 113,255 339,766 169,883 509,650 254,825 764,476 382,238 191,119 573,358 286,679 860,038 430,019 1,290,058 645,029 1,935,088 967,544 483,772 241,886 120,943 362,830 181,415 544,246 272,123 816,370 408,185 1,224,556 612,278 306,139 918,418

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