7² × 13 × 19

Prime Factor Structure

Factorization String 7^2 × 13 × 19

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 15,960

Proper Divisor Sum 3,857

Digit Sum / Digital Root 7 (Root: 7)

Adjacent Primes #12101 ← → #12107

1 7 13 19 49 91 133 247 637 931 1,729 12,103

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

12,103 36,310 18,155 54,466 27,233 81,700 40,850 20,425 61,276 30,638 15,319 45,958 22,979 68,938 34,469 103,408 51,704 25,852 12,926 6,463 19,390 9,695 29,086 14,543 43,630 21,815 65,446 32,723 98,170 49,085 147,256 73,628 36,814 18,407 55,222 27,611 82,834 41,417 124,252 62,126 31,063 93,190 46,595 139,786 69,893 209,680 104,840 52,420 26,210 13,105 39,316 19,658 9,829 29,488 14,744 7,372 3,686 1,843 5,530 2,765

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