3² × 7³ × 131

Prime Factor Structure

Factorization String 3^2 × 7^3 × 131

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 686,400

Proper Divisor Sum 282,003

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #404389 ← → #404399

1 3 7 9 21 49 63 131 147 343 393 441 917 1,029 1,179 2,751 3,087 6,419 8,253 19,257 44,933 57,771 134,799 404,397

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

404,397 1,213,192 606,596 303,298 151,649 454,948 227,474 113,737 341,212 170,606 85,303 255,910 127,955 383,866 191,933 575,800 287,900 143,950 71,975 215,926 107,963 323,890 161,945 485,836 242,918 121,459 364,378 182,189 546,568 273,284 136,642 68,321 204,964 102,482 51,241 153,724 76,862 38,431 115,294 57,647 172,942 86,471 259,414 129,707 389,122 194,561 583,684 291,842 145,921 437,764 218,882 109,441 328,324 164,162 82,081 246,244 123,122 61,561 184,684 92,342

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