31 × 53

Prime Factor Structure

Factorization String 31 × 53

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,728

Proper Divisor Sum 85

Digit Sum / Digital Root 14 (Root: 5)

Adjacent Primes #1637 ← → #1657

1 31 53 1,643

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

1,643 4,930 2,465 7,396 3,698 1,849 5,548 2,774 1,387 4,162 2,081 6,244 3,122 1,561 4,684 2,342 1,171 3,514 1,757 5,272 2,636 1,318 659 1,978 989 2,968 1,484 742 371 1,114 557 1,672 836 418 209 628 314 157 472 236 118 59 178 89 268 134 67 202 101 304 152 76 38 19 58 29 88 44 22 11

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