λ
Sequence Observatory

2,453,576

23 × 17 × 18041
Deficient Even Composite

Starting at 2,453,576, the Collatz iteration reaches 1 after 143 steps. The first transition is 1226788; the starting value is even with 16 positive divisors.

Resources

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Prime Factor Structure

Factorization String 2^3 × 17 × 18041
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 4,871,340
Proper Divisor Sum 2,417,764
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #2453573 ← → #2453597

Radix Representation

Decimal 2453576
Binary 1001010111000001001000 (22 bits)
Octal 0o11270110
Hexadecimal 0x257048

Divisor Catalog (5 of 16)

1 2 4 8 17

Collatz Trajectory (143 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.

2,453,576 1,226,788 613,394 306,697 920,092

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