λ
Sequence Observatory

4,517,000

23 × 53 × 4517
Abundant Even Composite

Starting at 4,517,000, the Collatz iteration reaches 1 after 61 steps. The first transition is 2258500; the starting value is even with 32 positive divisors.

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Prime Factor Structure

Factorization String 2^3 × 5^3 × 4517
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 32
Divisor Sum (σ) 10,572,120
Proper Divisor Sum 6,055,120
Digit Sum / Digital Root 17 (Root: 8)
Adjacent Primes #4516991 ← → #4517033

Radix Representation

Decimal 4517000
Binary 10001001110110010001000 (23 bits)
Octal 0o21166210
Hexadecimal 0x44EC88

Divisor Catalog (5 of 32)

1 2 4 5 8

Collatz Trajectory (61 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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