7 × 11 × 19 × 1489

Prime Factor Structure

Factorization String 7 × 11 × 19 × 1489

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,860,800

Proper Divisor Sum 682,393

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #2178389 ← → #2178409

1 7 11 19 77 133 209 1,463 1,489 10,423 16,379 28,291 114,653 198,037 311,201 2,178,407

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

2,178,407 6,535,222 3,267,611 9,802,834 4,901,417 14,704,252 7,352,126 3,676,063 11,028,190 5,514,095 16,542,286 8,271,143 24,813,430 12,406,715 37,220,146 18,610,073 55,830,220 27,915,110 13,957,555 41,872,666 20,936,333 62,809,000 31,404,500 15,702,250 7,851,125 23,553,376 11,776,688 5,888,344 2,944,172 1,472,086 736,043 2,208,130 1,104,065 3,312,196 1,656,098 828,049 2,484,148 1,242,074 621,037 1,863,112 931,556 465,778 232,889 698,668 349,334 174,667 524,002 262,001 786,004 393,002 196,501 589,504 294,752 147,376 73,688 36,844 18,422 9,211 27,634 13,817

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