2² × 5 × 13 × 53

Prime Factor Structure

Factorization String 2^2 × 5 × 13 × 53

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 31,752

Proper Divisor Sum 17,972

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #13763 ← → #13781

1 2 4 5 10 13 20 26 52 53 65 106 130 212 260 265 530 689 1,060 1,378 2,756 3,445 6,890 13,780

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

13,780 6,890 3,445 10,336 5,168 2,584 1,292 646 323 970 485 1,456 728 364 182 91 274 137 412 206 103 310 155 466 233 700 350 175 526 263 790 395 1,186 593 1,780 890 445 1,336 668 334 167 502 251 754 377 1,132 566 283 850 425 1,276 638 319 958 479 1,438 719 2,158 1,079 3,238

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