λ
Sequence Observatory

2,500,117

2500117
Deficient Odd Prime

Starting at 2,500,117, the Collatz iteration reaches 1 after 112 steps. The first transition is 7500352; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 2500117
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 2,500,118
Proper Divisor Sum 1
Digit Sum / Digital Root 16 (Root: 7)
Adjacent Primes #2500109 ← → #2500151

Radix Representation

Decimal 2500117
Binary 1001100010011000010101 (22 bits)
Octal 0o11423025
Hexadecimal 0x262615

Divisor Catalog (2)

Collatz Trajectory (112 steps to reach 1)

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

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