3 × 7² × 557

Prime Factor Structure

Factorization String 3 × 7^2 × 557

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 127,224

Proper Divisor Sum 45,345

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #81869 ← → #81883

1 3 7 21 49 147 557 1,671 3,899 11,697 27,293 81,879

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

81,879 245,638 122,819 368,458 184,229 552,688 276,344 138,172 69,086 34,543 103,630 51,815 155,446 77,723 233,170 116,585 349,756 174,878 87,439 262,318 131,159 393,478 196,739 590,218 295,109 885,328 442,664 221,332 110,666 55,333 166,000 83,000 41,500 20,750 10,375 31,126 15,563 46,690 23,345 70,036 35,018 17,509 52,528 26,264 13,132 6,566 3,283 9,850 4,925 14,776 7,388 3,694 1,847 5,542 2,771 8,314 4,157 12,472 6,236 3,118

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