λ
Sigma Notebook

66,599

13 × 47 × 109
Deficient Odd Composite

66,599 is odd and not a perfect square. Its factorization is 13 × 47 × 109 and its 8 divisors sum to 73,920.

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Prime Factor Structure

Factorization String 13 × 47 × 109
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 73,920
Proper Divisor Sum 7,321
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #66593 ← → #66601

Radix Representation

Decimal 66599
Binary 10000010000100111 (17 bits)
Octal 0o202047
Hexadecimal 0x10427

Divisor Catalog (5 of 8)

Collatz Trajectory (99 steps to reach 1)

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

Showing the first 5 trajectory entries; the stopping-time total above is unchanged.

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