3 × 7 × 31 × 131

Prime Factor Structure

Factorization String 3 × 7 × 31 × 131

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 135,168

Proper Divisor Sum 49,887

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #85259 ← → #85297

1 3 7 21 31 93 131 217 393 651 917 2,751 4,061 12,183 28,427 85,281

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

85,281 255,844 127,922 63,961 191,884 95,942 47,971 143,914 71,957 215,872 107,936 53,968 26,984 13,492 6,746 3,373 10,120 5,060 2,530 1,265 3,796 1,898 949 2,848 1,424 712 356 178 89 268 134 67 202 101 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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