3 × 7 × 19 × 193

Prime Factor Structure

Factorization String 3 × 7 × 19 × 193

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 124,160

Proper Divisor Sum 47,153

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #77003 ← → #77017

1 3 7 19 21 57 133 193 399 579 1,351 3,667 4,053 11,001 25,669 77,007

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

77,007 231,022 115,511 346,534 173,267 519,802 259,901 779,704 389,852 194,926 97,463 292,390 146,195 438,586 219,293 657,880 328,940 164,470 82,235 246,706 123,353 370,060 185,030 92,515 277,546 138,773 416,320 208,160 104,080 52,040 26,020 13,010 6,505 19,516 9,758 4,879 14,638 7,319 21,958 10,979 32,938 16,469 49,408 24,704 12,352 6,176 3,088 1,544 772 386 193 580 290 145 436 218 109 328 164 82

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