13 × 17 × 61 × 89

Prime Factor Structure

Factorization String 13 × 17 × 61 × 89

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,406,160

Proper Divisor Sum 206,351

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #1199801 ← → #1199813

1 13 17 61 89 221 793 1,037 1,157 1,513 5,429 13,481 19,669 70,577 92,293 1,199,809

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

1,199,809 3,599,428 1,799,714 899,857 2,699,572 1,349,786 674,893 2,024,680 1,012,340 506,170 253,085 759,256 379,628 189,814 94,907 284,722 142,361 427,084 213,542 106,771 320,314 160,157 480,472 240,236 120,118 60,059 180,178 90,089 270,268 135,134 67,567 202,702 101,351 304,054 152,027 456,082 228,041 684,124 342,062 171,031 513,094 256,547 769,642 384,821 1,154,464 577,232 288,616 144,308 72,154 36,077 108,232 54,116 27,058 13,529 40,588 20,294 10,147 30,442 15,221 45,664

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