2 × 3² × 7121

Prime Factor Structure

Factorization String 2 × 3^2 × 7121

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 277,758

Proper Divisor Sum 149,580

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #128173 ← → #128189

1 2 3 6 9 18 7,121 14,242 21,363 42,726 64,089 128,178

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

128,178 64,089 192,268 96,134 48,067 144,202 72,101 216,304 108,152 54,076 27,038 13,519 40,558 20,279 60,838 30,419 91,258 45,629 136,888 68,444 34,222 17,111 51,334 25,667 77,002 38,501 115,504 57,752 28,876 14,438 7,219 21,658 10,829 32,488 16,244 8,122 4,061 12,184 6,092 3,046 1,523 4,570 2,285 6,856 3,428 1,714 857 2,572 1,286 643 1,930 965 2,896 1,448 724 362 181 544 272 136

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