3 × 7 × 19 × 31237

Prime Factor Structure

Factorization String 3 × 7 × 19 × 31237

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 19,992,320

Proper Divisor Sum 7,528,757

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #12463547 ← → #12463571

1 3 7 19 21 57 133 399 31,237 93,711 218,659 593,503 655,977 1,780,509 4,154,521 12,463,563

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

12,463,563 37,390,690 18,695,345 56,086,036 28,043,018 14,021,509 42,064,528 21,032,264 10,516,132 5,258,066 2,629,033 7,887,100 3,943,550 1,971,775 5,915,326 2,957,663 8,872,990 4,436,495 13,309,486 6,654,743 19,964,230 9,982,115 29,946,346 14,973,173 44,919,520 22,459,760 11,229,880 5,614,940 2,807,470 1,403,735 4,211,206 2,105,603 6,316,810 3,158,405 9,475,216 4,737,608 2,368,804 1,184,402 592,201 1,776,604 888,302 444,151 1,332,454 666,227 1,998,682 999,341 2,998,024 1,499,012 749,506 374,753 1,124,260 562,130 281,065 843,196 421,598 210,799 632,398 316,199 948,598 474,299

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