2 × 3² × 23 × 37

Prime Factor Structure

Factorization String 2 × 3^2 × 23 × 37

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 35,568

Proper Divisor Sum 20,250

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #15313 ← → #15319

1 2 3 6 9 18 23 37 46 69 74 111 138 207 222 333 414 666 851 1,702 2,553 5,106 7,659 15,318

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

15,318 7,659 22,978 11,489 34,468 17,234 8,617 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 8,296 4,148 2,074 1,037 3,112 1,556 778 389 1,168 584

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