7 × 13 × 233 × 571

Prime Factor Structure

Factorization String 7 × 13 × 233 × 571

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 14,990,976

Proper Divisor Sum 2,884,063

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #12106903 ← → #12106921

1 7 13 91 233 571 1,631 3,029 3,997 7,423 21,203 51,961 133,043 931,301 1,729,559 12,106,913

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

12,106,913 36,320,740 18,160,370 9,080,185 27,240,556 13,620,278 6,810,139 20,430,418 10,215,209 30,645,628 15,322,814 7,661,407 22,984,222 11,492,111 34,476,334 17,238,167 51,714,502 25,857,251 77,571,754 38,785,877 116,357,632 58,178,816 29,089,408 14,544,704 7,272,352 3,636,176 1,818,088 909,044 454,522 227,261 681,784 340,892 170,446 85,223 255,670 127,835 383,506 191,753 575,260 287,630 143,815 431,446 215,723 647,170 323,585 970,756 485,378 242,689 728,068 364,034 182,017 546,052 273,026 136,513 409,540 204,770 102,385 307,156 153,578 76,789

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