λ
Sequence Observatory

1,523,547

32 × 169283
Deficient Odd Composite

Starting at 1,523,547, the Collatz iteration reaches 1 after 243 steps. The first transition is 4570642; the starting value is odd with 6 positive divisors.

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Prime Factor Structure

Factorization String 3^2 × 169283
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 6
Divisor Sum (σ) 2,200,692
Proper Divisor Sum 677,145
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #1523539 ← → #1523551

Radix Representation

Decimal 1523547
Binary 101110011111101011011 (21 bits)
Octal 0o5637533
Hexadecimal 0x173F5B

Divisor Catalog (5 of 6)

1 3 9 169,283 507,849

Collatz Trajectory (243 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.

1,523,547 4,570,642 2,285,321 6,855,964 3,427,982

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