3 × 7 × 13 × 2621

Prime Factor Structure

Factorization String 3 × 7 × 13 × 2621

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,174,656

Proper Divisor Sum 459,123

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #715523 ← → #715537

1 3 7 13 21 39 91 273 2,621 7,863 18,347 34,073 55,041 102,219 238,511 715,533

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

715,533 2,146,600 1,073,300 536,650 268,325 804,976 402,488 201,244 100,622 50,311 150,934 75,467 226,402 113,201 339,604 169,802 84,901 254,704 127,352 63,676 31,838 15,919 47,758 23,879 71,638 35,819 107,458 53,729 161,188 80,594 40,297 120,892 60,446 30,223 90,670 45,335 136,006 68,003 204,010 102,005 306,016 153,008 76,504 38,252 19,126 9,563 28,690 14,345 43,036 21,518 10,759 32,278 16,139 48,418 24,209 72,628 36,314 18,157 54,472 27,236

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