3 × 213329

Prime Factor Structure

Factorization String 3 × 213329

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 853,320

Proper Divisor Sum 213,333

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #639983 ← → #639997

1 3 213,329 639,987

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

639,987 1,919,962 959,981 2,879,944 1,439,972 719,986 359,993 1,079,980 539,990 269,995 809,986 404,993 1,214,980 607,490 303,745 911,236 455,618 227,809 683,428 341,714 170,857 512,572 256,286 128,143 384,430 192,215 576,646 288,323 864,970 432,485 1,297,456 648,728 324,364 162,182 81,091 243,274 121,637 364,912 182,456 91,228 45,614 22,807 68,422 34,211 102,634 51,317 153,952 76,976 38,488 19,244 9,622 4,811 14,434 7,217 21,652 10,826 5,413 16,240 8,120 4,060

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