3 × 5 × 7 × 6569

Prime Factor Structure

Factorization String 3 × 5 × 7 × 6569

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,261,440

Proper Divisor Sum 571,695

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #689723 ← → #689761

1 3 5 7 15 21 35 105 6,569 19,707 32,845 45,983 98,535 137,949 229,915 689,745

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

689,745 2,069,236 1,034,618 517,309 1,551,928 775,964 387,982 193,991 581,974 290,987 872,962 436,481 1,309,444 654,722 327,361 982,084 491,042 245,521 736,564 368,282 184,141 552,424 276,212 138,106 69,053 207,160 103,580 51,790 25,895 77,686 38,843 116,530 58,265 174,796 87,398 43,699 131,098 65,549 196,648 98,324 49,162 24,581 73,744 36,872 18,436 9,218 4,609 13,828 6,914 3,457 10,372 5,186 2,593 7,780 3,890 1,945 5,836 2,918 1,459 4,378

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