λ
Sequence Observatory

4,472,015

5 × 894403
Deficient Odd Composite

Starting at 4,472,015, the Collatz iteration reaches 1 after 118 steps. The first transition is 13416046; the starting value is odd with 4 positive divisors.

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Prime Factor Structure

Factorization String 5 × 894403
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 5,366,424
Proper Divisor Sum 894,409
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #4471997 ← → #4472021

Radix Representation

Decimal 4472015
Binary 10001000011110011001111 (23 bits)
Octal 0o21036317
Hexadecimal 0x443CCF

Divisor Catalog (4)

1 5 894,403 4,472,015

Collatz Trajectory (118 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.

4,472,015 13,416,046 6,708,023 20,124,070 10,062,035

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