3 × 19 × 61 × 571

Prime Factor Structure

Factorization String 3 × 19 × 61 × 571

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,837,120

Proper Divisor Sum 851,753

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #1985363 ← → #1985377

1 3 19 57 61 183 571 1,159 1,713 3,477 10,849 32,547 34,831 104,493 661,789 1,985,367

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

1,985,367 5,956,102 2,978,051 8,934,154 4,467,077 13,401,232 6,700,616 3,350,308 1,675,154 837,577 2,512,732 1,256,366 628,183 1,884,550 942,275 2,826,826 1,413,413 4,240,240 2,120,120 1,060,060 530,030 265,015 795,046 397,523 1,192,570 596,285 1,788,856 894,428 447,214 223,607 670,822 335,411 1,006,234 503,117 1,509,352 754,676 377,338 188,669 566,008 283,004 141,502 70,751 212,254 106,127 318,382 159,191 477,574 238,787 716,362 358,181 1,074,544 537,272 268,636 134,318 67,159 201,478 100,739 302,218 151,109 453,328

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