81,965

5 × 13² × 97

Prime Factor Structure

Factorization String 5 × 13^2 × 97

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 107,604

Proper Divisor Sum 25,639

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #81953 ← → #81967

1 5 13 65 97 169 485 845 1,261 6,305 16,393 81,965

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

81,965 245,896 122,948 61,474 30,737 92,212 46,106 23,053 69,160 34,580 17,290 8,645 25,936 12,968 6,484 3,242 1,621 4,864 2,432 1,216 608 304 152 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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