7 × 13 × 31 × 1559

Prime Factor Structure

Factorization String 7 × 13 × 31 × 1559

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 5,591,040

Proper Divisor Sum 1,193,101

Digit Sum / Digital Root 44 (Root: 8)

Adjacent Primes #4397933 ← → #4397941

1 7 13 31 91 217 403 1,559 2,821 10,913 20,267 48,329 141,869 338,303 628,277 4,397,939

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

4,397,939 13,193,818 6,596,909 19,790,728 9,895,364 4,947,682 2,473,841 7,421,524 3,710,762 1,855,381 5,566,144 2,783,072 1,391,536 695,768 347,884 173,942 86,971 260,914 130,457 391,372 195,686 97,843 293,530 146,765 440,296 220,148 110,074 55,037 165,112 82,556 41,278 20,639 61,918 30,959 92,878 46,439 139,318 69,659 208,978 104,489 313,468 156,734 78,367 235,102 117,551 352,654 176,327 528,982 264,491 793,474 396,737 1,190,212 595,106 297,553 892,660 446,330 223,165 669,496 334,748 167,374

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