λ
Sequence Observatory

7,981,967

7 × 1140281
Deficient Odd Composite

Starting at 7,981,967, the Collatz iteration reaches 1 after 116 steps. The first transition is 23945902; the starting value is odd with 4 positive divisors.

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Prime Factor Structure

Factorization String 7 × 1140281
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 9,122,256
Proper Divisor Sum 1,140,289
Digit Sum / Digital Root 47 (Root: 2)
Adjacent Primes #7981949 ← → #7981999

Radix Representation

Decimal 7981967
Binary 11110011100101110001111 (23 bits)
Octal 0o36345617
Hexadecimal 0x79CB8F

Divisor Catalog (4)

Collatz Trajectory (116 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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