2² × 5 × 19387

Prime Factor Structure

Factorization String 2^2 × 5 × 19387

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 814,296

Proper Divisor Sum 426,556

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #387727 ← → #387743

1 2 4 5 10 20 19,387 38,774 77,548 96,935 193,870 387,740

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

387,740 193,870 96,935 290,806 145,403 436,210 218,105 654,316 327,158 163,579 490,738 245,369 736,108 368,054 184,027 552,082 276,041 828,124 414,062 207,031 621,094 310,547 931,642 465,821 1,397,464 698,732 349,366 174,683 524,050 262,025 786,076 393,038 196,519 589,558 294,779 884,338 442,169 1,326,508 663,254 331,627 994,882 497,441 1,492,324 746,162 373,081 1,119,244 559,622 279,811 839,434 419,717 1,259,152 629,576 314,788 157,394 78,697 236,092 118,046 59,023 177,070 88,535

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