2³ × 5 × 13 × 151

Prime Factor Structure

Factorization String 2^3 × 5 × 13 × 151

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 191,520

Proper Divisor Sum 113,000

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #78517 ← → #78539

1 2 4 5 8 10 13 20 26 40 52 65 104 130 151 260 302 520 604 755 1,208 1,510 1,963 3,020 3,926 6,040 7,852 9,815 15,704 19,630 39,260 78,520

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

78,520 39,260 19,630 9,815 29,446 14,723 44,170 22,085 66,256 33,128 16,564 8,282 4,141 12,424 6,212 3,106 1,553 4,660 2,330 1,165 3,496 1,748 874 437 1,312 656 328 164 82 41 124 62 31 94 47 142 71 214 107 322 161 484 242 121 364 182 91 274 137 412 206 103 310 155 466 233 700 350 175 526

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