71 × 139 × 821

Prime Factor Structure

Factorization String 71 × 139 × 821

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 8,285,760

Proper Divisor Sum 183,311

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #8102441 ← → #8102453

1 71 139 821 9,869 58,291 114,119 8,102,449

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

8,102,449 24,307,348 12,153,674 6,076,837 18,230,512 9,115,256 4,557,628 2,278,814 1,139,407 3,418,222 1,709,111 5,127,334 2,563,667 7,691,002 3,845,501 11,536,504 5,768,252 2,884,126 1,442,063 4,326,190 2,163,095 6,489,286 3,244,643 9,733,930 4,866,965 14,600,896 7,300,448 3,650,224 1,825,112 912,556 456,278 228,139 684,418 342,209 1,026,628 513,314 256,657 769,972 384,986 192,493 577,480 288,740 144,370 72,185 216,556 108,278 54,139 162,418 81,209 243,628 121,814 60,907 182,722 91,361 274,084 137,042 68,521 205,564 102,782 51,391

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