λ
Sequence Observatory

30,805

5 × 61 × 101
Deficient Odd Composite

Starting at 30,805, the Collatz iteration reaches 1 after 54 steps. The first transition is 92416; the starting value is odd with 8 positive divisors.

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Prime Factor Structure

Factorization String 5 × 61 × 101
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 37,944
Proper Divisor Sum 7,139
Digit Sum / Digital Root 16 (Root: 7)
Adjacent Primes #30803 ← → #30809

Radix Representation

Decimal 30805
Binary 111100001010101 (15 bits)
Octal 0o74125
Hexadecimal 0x7855

Divisor Catalog (5 of 8)

Collatz Trajectory (54 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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