13 × 17 × 89 × 521

Prime Factor Structure

Factorization String 13 × 17 × 89 × 521

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 11,838,960

Proper Divisor Sum 1,591,411

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #10247543 ← → #10247563

1 13 17 89 221 521 1,157 1,513 6,773 8,857 19,669 46,369 115,141 602,797 788,273 10,247,549

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

10,247,549 30,742,648 15,371,324 7,685,662 3,842,831 11,528,494 5,764,247 17,292,742 8,646,371 25,939,114 12,969,557 38,908,672 19,454,336 9,727,168 4,863,584 2,431,792 1,215,896 607,948 303,974 151,987 455,962 227,981 683,944 341,972 170,986 85,493 256,480 128,240 64,120 32,060 16,030 8,015 24,046 12,023 36,070 18,035 54,106 27,053 81,160 40,580 20,290 10,145 30,436 15,218 7,609 22,828 11,414 5,707 17,122 8,561 25,684 12,842 6,421 19,264 9,632 4,816 2,408 1,204 602 301

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