3 × 7 × 17 × 1931

Prime Factor Structure

Factorization String 3 × 7 × 17 × 1931

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,112,832

Proper Divisor Sum 423,465

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #689357 ← → #689369

1 3 7 17 21 51 119 357 1,931 5,793 13,517 32,827 40,551 98,481 229,789 689,367

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

689,367 2,068,102 1,034,051 3,102,154 1,551,077 4,653,232 2,326,616 1,163,308 581,654 290,827 872,482 436,241 1,308,724 654,362 327,181 981,544 490,772 245,386 122,693 368,080 184,040 92,020 46,010 23,005 69,016 34,508 17,254 8,627 25,882 12,941 38,824 19,412 9,706 4,853 14,560 7,280 3,640 1,820 910 455 1,366 683 2,050 1,025 3,076 1,538 769 2,308 1,154 577 1,732 866 433 1,300 650 325 976 488 244 122

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