λ
Sequence Observatory

1,140,563

1140563
Deficient Odd Prime

Starting at 1,140,563, the Collatz iteration reaches 1 after 85 steps. The first transition is 3421690; the starting value is odd with 2 positive divisors.

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Prime Factor Structure

Factorization String 1140563
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 1,140,564
Proper Divisor Sum 1
Digit Sum / Digital Root 20 (Root: 2)
Adjacent Primes #1140539 ← → #1140569

Radix Representation

Decimal 1140563
Binary 100010110011101010011 (21 bits)
Octal 0o4263523
Hexadecimal 0x116753

Divisor Catalog (2)

Collatz Trajectory (85 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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