3 × 7 × 139 × 877

Prime Factor Structure

Factorization String 3 × 7 × 139 × 877

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,933,440

Proper Divisor Sum 1,373,477

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #2559959 ← → #2559983

1 3 7 21 139 417 877 973 2,631 2,919 6,139 18,417 121,903 365,709 853,321 2,559,963

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

2,559,963 7,679,890 3,839,945 11,519,836 5,759,918 2,879,959 8,639,878 4,319,939 12,959,818 6,479,909 19,439,728 9,719,864 4,859,932 2,429,966 1,214,983 3,644,950 1,822,475 5,467,426 2,733,713 8,201,140 4,100,570 2,050,285 6,150,856 3,075,428 1,537,714 768,857 2,306,572 1,153,286 576,643 1,729,930 864,965 2,594,896 1,297,448 648,724 324,362 162,181 486,544 243,272 121,636 60,818 30,409 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

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