2 × 3 × 13² × 79 × 257

Prime Factor Structure

Factorization String 2 × 3 × 13^2 × 79 × 257

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 45,325,440

Proper Divisor Sum 24,738,198

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #20587223 ← → #20587247

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

20,587,242 10,293,621 30,880,864 15,440,432 7,720,216 3,860,108 1,930,054 965,027 2,895,082 1,447,541 4,342,624 2,171,312 1,085,656 542,828 271,414 135,707 407,122 203,561 610,684 305,342 152,671 458,014 229,007 687,022 343,511 1,030,534 515,267 1,545,802 772,901 2,318,704 1,159,352 579,676 289,838 144,919 434,758 217,379 652,138 326,069 978,208 489,104 244,552 122,276 61,138 30,569 91,708 45,854 22,927 68,782 34,391 103,174 51,587 154,762 77,381 232,144 116,072 58,036 29,018 14,509 43,528 21,764

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