2 × 5 × 131 × 389

Prime Factor Structure

Factorization String 2 × 5 × 131 × 389

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 926,640

Proper Divisor Sum 417,050

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #509581 ← → #509591

1 2 5 10 131 262 389 655 778 1,310 1,945 3,890 50,959 101,918 254,795 509,590

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

509,590 254,795 764,386 382,193 1,146,580 573,290 286,645 859,936 429,968 214,984 107,492 53,746 26,873 80,620 40,310 20,155 60,466 30,233 90,700 45,350 22,675 68,026 34,013 102,040 51,020 25,510 12,755 38,266 19,133 57,400 28,700 14,350 7,175 21,526 10,763 32,290 16,145 48,436 24,218 12,109 36,328 18,164 9,082 4,541 13,624 6,812 3,406 1,703 5,110 2,555 7,666 3,833 11,500 5,750 2,875 8,626 4,313 12,940 6,470 3,235

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