2² × 3³ × 197

Prime Factor Structure

Factorization String 2^2 × 3^3 × 197

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 55,440

Proper Divisor Sum 34,164

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #21269 ← → #21277

1 2 3 4 6 9 12 18 27 36 54 108 197 394 591 788 1,182 1,773 2,364 3,546 5,319 7,092 10,638 21,276

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

21,276 10,638 5,319 15,958 7,979 23,938 11,969 35,908 17,954 8,977 26,932 13,466 6,733 20,200 10,100 5,050 2,525 7,576 3,788 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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