λ
Sequence Observatory

5,218,355

5 × 23 × 45377
Deficient Odd Composite

Starting at 5,218,355, the Collatz iteration reaches 1 after 175 steps. The first transition is 15655066; the starting value is odd with 8 positive divisors.

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Prime Factor Structure

Factorization String 5 × 23 × 45377
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 6,534,432
Proper Divisor Sum 1,316,077
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #5218349 ← → #5218361

Radix Representation

Decimal 5218355
Binary 10011111010000000110011 (23 bits)
Octal 0o23720063
Hexadecimal 0x4FA033

Divisor Catalog (5 of 8)

Collatz Trajectory (175 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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