5 × 7 × 13 × 43

Prime Factor Structure

Factorization String 5 × 7 × 13 × 43

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 29,568

Proper Divisor Sum 10,003

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #19559 ← → #19571

1 5 7 13 35 43 65 91 215 301 455 559 1,505 2,795 3,913 19,565

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

19,565 58,696 29,348 14,674 7,337 22,012 11,006 5,503 16,510 8,255 24,766 12,383 37,150 18,575 55,726 27,863 83,590 41,795 125,386 62,693 188,080 94,040 47,020 23,510 11,755 35,266 17,633 52,900 26,450 13,225 39,676 19,838 9,919 29,758 14,879 44,638 22,319 66,958 33,479 100,438 50,219 150,658 75,329 225,988 112,994 56,497 169,492 84,746 42,373 127,120 63,560 31,780 15,890 7,945 23,836 11,918 5,959 17,878 8,939 26,818

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