λ
Sequence Observatory

6,121,943

6121943
Deficient Odd Prime

Starting at 6,121,943, the Collatz iteration reaches 1 after 134 steps. The first transition is 18365830; the starting value is odd with 2 positive divisors.

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Prime Factor Structure

Factorization String 6121943
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 6,121,944
Proper Divisor Sum 1
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #6121939 ← → #6121949

Radix Representation

Decimal 6121943
Binary 10111010110100111010111 (23 bits)
Octal 0o27264727
Hexadecimal 0x5D69D7

Divisor Catalog (2)

Collatz Trajectory (134 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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