3 × 7 × 43 × 151

Prime Factor Structure

Factorization String 3 × 7 × 43 × 151

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 214,016

Proper Divisor Sum 77,663

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #136351 ← → #136361

1 3 7 21 43 129 151 301 453 903 1,057 3,171 6,493 19,479 45,451 136,353

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

136,353 409,060 204,530 102,265 306,796 153,398 76,699 230,098 115,049 345,148 172,574 86,287 258,862 129,431 388,294 194,147 582,442 291,221 873,664 436,832 218,416 109,208 54,604 27,302 13,651 40,954 20,477 61,432 30,716 15,358 7,679 23,038 11,519 34,558 17,279 51,838 25,919 77,758 38,879 116,638 58,319 174,958 87,479 262,438 131,219 393,658 196,829 590,488 295,244 147,622 73,811 221,434 110,717 332,152 166,076 83,038 41,519 124,558 62,279 186,838

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