λ
Sequence Observatory

147,451

147451
Deficient Odd Prime

Starting at 147,451, the Collatz iteration reaches 1 after 126 steps. The first transition is 442354; the starting value is odd with 2 positive divisors.

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Prime Factor Structure

Factorization String 147451
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 147,452
Proper Divisor Sum 1
Digit Sum / Digital Root 22 (Root: 4)
Adjacent Primes #147449 ← → #147457

Radix Representation

Decimal 147451
Binary 100011111111111011 (18 bits)
Octal 0o437773
Hexadecimal 0x23FFB

Divisor Catalog (2)

Collatz Trajectory (126 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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