2 × 3² × 19 × 53

Prime Factor Structure

Factorization String 2 × 3^2 × 19 × 53

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 42,120

Proper Divisor Sum 23,994

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #18121 ← → #18127

1 2 3 6 9 18 19 38 53 57 106 114 159 171 318 342 477 954 1,007 2,014 3,021 6,042 9,063 18,126

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

18,126 9,063 27,190 13,595 40,786 20,393 61,180 30,590 15,295 45,886 22,943 68,830 34,415 103,246 51,623 154,870 77,435 232,306 116,153 348,460 174,230 87,115 261,346 130,673 392,020 196,010 98,005 294,016 147,008 73,504 36,752 18,376 9,188 4,594 2,297 6,892 3,446 1,723 5,170 2,585 7,756 3,878 1,939 5,818 2,909 8,728 4,364 2,182 1,091 3,274 1,637 4,912 2,456 1,228 614 307 922 461 1,384 692

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