λ
Match Zalai

1,171,927

1171927
Deficient Odd Prime

1,171,927 factors as 1171927. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 129 steps.

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Prime Factor Structure

Factorization String 1171927
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 1,171,928
Proper Divisor Sum 1
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #1171921 ← → #1171931

Radix Representation

Decimal 1171927
Binary 100011110000111010111 (21 bits)
Octal 0o4360727
Hexadecimal 0x11E1D7

Divisor Catalog (2)

Collatz Trajectory (129 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.

1,171,927 3,515,782 1,757,891 5,273,674 2,636,837

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