5 × 13 × 157 × 163

Prime Factor Structure

Factorization String 5 × 13 × 157 × 163

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,176,608

Proper Divisor Sum 513,193

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #1663397 ← → #1663457

1 5 13 65 157 163 785 815 2,041 2,119 10,205 10,595 25,591 127,955 332,683 1,663,415

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

1,663,415 4,990,246 2,495,123 7,485,370 3,742,685 11,228,056 5,614,028 2,807,014 1,403,507 4,210,522 2,105,261 6,315,784 3,157,892 1,578,946 789,473 2,368,420 1,184,210 592,105 1,776,316 888,158 444,079 1,332,238 666,119 1,998,358 999,179 2,997,538 1,498,769 4,496,308 2,248,154 1,124,077 3,372,232 1,686,116 843,058 421,529 1,264,588 632,294 316,147 948,442 474,221 1,422,664 711,332 355,666 177,833 533,500 266,750 133,375 400,126 200,063 600,190 300,095 900,286 450,143 1,350,430 675,215 2,025,646 1,012,823 3,038,470 1,519,235 4,557,706 2,278,853

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