λ
Sequence Observatory

5,919,691

5919691
Deficient Odd Prime

Starting at 5,919,691, the Collatz iteration reaches 1 after 139 steps. The first transition is 17759074; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 5919691
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 5,919,692
Proper Divisor Sum 1
Digit Sum / Digital Root 40 (Root: 4)
Adjacent Primes #5919679 ← → #5919713

Radix Representation

Decimal 5919691
Binary 10110100101001111001011 (23 bits)
Octal 0o26451713
Hexadecimal 0x5A53CB

Divisor Catalog (2)

Collatz Trajectory (139 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

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