7 × 13 × 23 × 67

Prime Factor Structure

Factorization String 7 × 13 × 23 × 67

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 182,784

Proper Divisor Sum 42,553

Digit Sum / Digital Root 11 (Root: 2)

Adjacent Primes #140227 ← → #140237

1 7 13 23 67 91 161 299 469 871 1,541 2,093 6,097 10,787 20,033 140,231

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

140,231 420,694 210,347 631,042 315,521 946,564 473,282 236,641 709,924 354,962 177,481 532,444 266,222 133,111 399,334 199,667 599,002 299,501 898,504 449,252 224,626 112,313 336,940 168,470 84,235 252,706 126,353 379,060 189,530 94,765 284,296 142,148 71,074 35,537 106,612 53,306 26,653 79,960 39,980 19,990 9,995 29,986 14,993 44,980 22,490 11,245 33,736 16,868 8,434 4,217 12,652 6,326 3,163 9,490 4,745 14,236 7,118 3,559 10,678 5,339

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