2 × 3² × 1181

Prime Factor Structure

Factorization String 2 × 3^2 × 1181

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 46,098

Proper Divisor Sum 24,840

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #21247 ← → #21269

1 2 3 6 9 18 1,181 2,362 3,543 7,086 10,629 21,258

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

21,258 10,629 31,888 15,944 7,972 3,986 1,993 5,980 2,990 1,495 4,486 2,243 6,730 3,365 10,096 5,048 2,524 1,262 631 1,894 947 2,842 1,421 4,264 2,132 1,066 533 1,600 800 400 200 100 50 25 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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