λ
Sequence Observatory

676,170

2 × 32 × 5 × 11 × 683
Abundant Even Composite

Starting at 676,170, the Collatz iteration reaches 1 after 136 steps. The first transition is 338085; the starting value is even with 48 positive divisors.

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Prime Factor Structure

Factorization String 2 × 3^2 × 5 × 11 × 683
Distinct Prime Factors 5
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 48
Divisor Sum (σ) 1,920,672
Proper Divisor Sum 1,244,502
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #676147 ← → #676171

Radix Representation

Decimal 676170
Binary 10100101000101001010 (20 bits)
Octal 0o2450512
Hexadecimal 0xA514A

Divisor Catalog (5 of 48)

1 2 3 5 6

Collatz Trajectory (136 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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