λ
Sequence Observatory

659,132

22 × 367 × 449
Deficient Even Composite

Starting at 659,132, the Collatz iteration reaches 1 after 61 steps. The first transition is 329566; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 367 × 449
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 1,159,200
Proper Divisor Sum 500,068
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #659101 ← → #659137

Radix Representation

Decimal 659132
Binary 10100000111010111100 (20 bits)
Octal 0o2407274
Hexadecimal 0xA0EBC

Divisor Catalog (12)

Collatz Trajectory (61 steps to reach 1)

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

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