3 × 13 × 17 × 977

Prime Factor Structure

Factorization String 3 × 13 × 17 × 977

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 985,824

Proper Divisor Sum 338,073

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #647747 ← → #647753

1 3 13 17 39 51 221 663 977 2,931 12,701 16,609 38,103 49,827 215,917 647,751

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

647,751 1,943,254 971,627 2,914,882 1,457,441 4,372,324 2,186,162 1,093,081 3,279,244 1,639,622 819,811 2,459,434 1,229,717 3,689,152 1,844,576 922,288 461,144 230,572 115,286 57,643 172,930 86,465 259,396 129,698 64,849 194,548 97,274 48,637 145,912 72,956 36,478 18,239 54,718 27,359 82,078 41,039 123,118 61,559 184,678 92,339 277,018 138,509 415,528 207,764 103,882 51,941 155,824 77,912 38,956 19,478 9,739 29,218 14,609 43,828 21,914 10,957 32,872 16,436 8,218 4,109

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