31 × 4397

Prime Factor Structure

Factorization String 31 × 4397

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 140,736

Proper Divisor Sum 4,429

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #136303 ← → #136309

1 31 4,397 136,307

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

136,307 408,922 204,461 613,384 306,692 153,346 76,673 230,020 115,010 57,505 172,516 86,258 43,129 129,388 64,694 32,347 97,042 48,521 145,564 72,782 36,391 109,174 54,587 163,762 81,881 245,644 122,822 61,411 184,234 92,117 276,352 138,176 69,088 34,544 17,272 8,636 4,318 2,159 6,478 3,239 9,718 4,859 14,578 7,289 21,868 10,934 5,467 16,402 8,201 24,604 12,302 6,151 18,454 9,227 27,682 13,841 41,524 20,762 10,381 31,144

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