3 × 5 × 23 × 1489

Prime Factor Structure

Factorization String 3 × 5 × 23 × 1489

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 858,240

Proper Divisor Sum 344,535

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #513697 ← → #513719

1 3 5 15 23 69 115 345 1,489 4,467 7,445 22,335 34,247 102,741 171,235 513,705

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

513,705 1,541,116 770,558 385,279 1,155,838 577,919 1,733,758 866,879 2,600,638 1,300,319 3,900,958 1,950,479 5,851,438 2,925,719 8,777,158 4,388,579 13,165,738 6,582,869 19,748,608 9,874,304 4,937,152 2,468,576 1,234,288 617,144 308,572 154,286 77,143 231,430 115,715 347,146 173,573 520,720 260,360 130,180 65,090 32,545 97,636 48,818 24,409 73,228 36,614 18,307 54,922 27,461 82,384 41,192 20,596 10,298 5,149 15,448 7,724 3,862 1,931 5,794 2,897 8,692 4,346 2,173 6,520 3,260

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