2² × 5 × 31

Prime Factor Structure

Factorization String 2^2 × 5 × 31

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,344

Proper Divisor Sum 724

Digit Sum / Digital Root 8 (Root: 8)

Adjacent Primes #619 ← → #631

1 2 4 5 10 20 31 62 124 155 310 620

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

620 310 155 466 233 700 350 175 526 263 790 395 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 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367 4,102 2,051 6,154 3,077 9,232 4,616 2,308 1,154 577 1,732 866

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