2² × 7² × 2609

Prime Factor Structure

Factorization String 2^2 × 7^2 × 2609

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 1,041,390

Proper Divisor Sum 530,026

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #511361 ← → #511387

1 2 4 7 14 28 49 98 196 2,609 5,218 10,436 18,263 36,526 73,052 127,841 255,682 511,364

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

511,364 255,682 127,841 383,524 191,762 95,881 287,644 143,822 71,911 215,734 107,867 323,602 161,801 485,404 242,702 121,351 364,054 182,027 546,082 273,041 819,124 409,562 204,781 614,344 307,172 153,586 76,793 230,380 115,190 57,595 172,786 86,393 259,180 129,590 64,795 194,386 97,193 291,580 145,790 72,895 218,686 109,343 328,030 164,015 492,046 246,023 738,070 369,035 1,107,106 553,553 1,660,660 830,330 415,165 1,245,496 622,748 311,374 155,687 467,062 233,531 700,594

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