2² × 19 × 131 × 659

Prime Factor Structure

Factorization String 2^2 × 19 × 131 × 659

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 12,196,800

Proper Divisor Sum 5,635,796

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #6561001 ← → #6561007

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

6,561,004 3,280,502 1,640,251 4,920,754 2,460,377 7,381,132 3,690,566 1,845,283 5,535,850 2,767,925 8,303,776 4,151,888 2,075,944 1,037,972 518,986 259,493 778,480 389,240 194,620 97,310 48,655 145,966 72,983 218,950 109,475 328,426 164,213 492,640 246,320 123,160 61,580 30,790 15,395 46,186 23,093 69,280 34,640 17,320 8,660 4,330 2,165 6,496 3,248 1,624 812 406 203 610 305 916 458 229 688 344 172 86 43 130 65 196

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