3² × 71987

Prime Factor Structure

Factorization String 3^2 × 71987

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 935,844

Proper Divisor Sum 287,961

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #647861 ← → #647891

1 3 9 71,987 215,961 647,883

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

647,883 1,943,650 971,825 2,915,476 1,457,738 728,869 2,186,608 1,093,304 546,652 273,326 136,663 409,990 204,995 614,986 307,493 922,480 461,240 230,620 115,310 57,655 172,966 86,483 259,450 129,725 389,176 194,588 97,294 48,647 145,942 72,971 218,914 109,457 328,372 164,186 82,093 246,280 123,140 61,570 30,785 92,356 46,178 23,089 69,268 34,634 17,317 51,952 25,976 12,988 6,494 3,247 9,742 4,871 14,614 7,307 21,922 10,961 32,884 16,442 8,221 24,664

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