3 × 7² × 37²

Prime Factor Structure

Factorization String 3 × 7^2 × 37^2

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 320,796

Proper Divisor Sum 119,553

Digit Sum / Digital Root 12 (Root: 3)

Adjacent Primes #201233 ← → #201247

1 3 7 21 37 49 111 147 259 777 1,369 1,813 4,107 5,439 9,583 28,749 67,081 201,243

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

201,243 603,730 301,865 905,596 452,798 226,399 679,198 339,599 1,018,798 509,399 1,528,198 764,099 2,292,298 1,146,149 3,438,448 1,719,224 859,612 429,806 214,903 644,710 322,355 967,066 483,533 1,450,600 725,300 362,650 181,325 543,976 271,988 135,994 67,997 203,992 101,996 50,998 25,499 76,498 38,249 114,748 57,374 28,687 86,062 43,031 129,094 64,547 193,642 96,821 290,464 145,232 72,616 36,308 18,154 9,077 27,232 13,616 6,808 3,404 1,702 851 2,554 1,277

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