331,389

3² × 36821

Prime Factor Structure

Factorization String 3^2 × 36821

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Total Divisors 6

Divisor Sum (σ) 478,686

Proper Divisor Sum 147,297

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #331369 ← → #331391

1 3 9 36,821 110,463 331,389

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

331,389 994,168 497,084 248,542 124,271 372,814 186,407 559,222 279,611 838,834 419,417 1,258,252 629,126 314,563 943,690 471,845 1,415,536 707,768 353,884 176,942 88,471 265,414 132,707 398,122 199,061 597,184 298,592 149,296 74,648 37,324 18,662 9,331 27,994 13,997 41,992 20,996 10,498 5,249 15,748 7,874 3,937 11,812 5,906 2,953 8,860 4,430 2,215 6,646 3,323 9,970 4,985 14,956 7,478 3,739 11,218 5,609 16,828 8,414 4,207 12,622

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