λ
Sequence Observatory

7,429,625

53 × 72 × 1213
Deficient Odd Composite

Starting at 7,429,625, the Collatz iteration reaches 1 after 235 steps. The first transition is 22288876; the starting value is odd with 24 positive divisors.

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Prime Factor Structure

Factorization String 5^3 × 7^2 × 1213
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 10,794,888
Proper Divisor Sum 3,365,263
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #7429607 ← → #7429633

Radix Representation

Decimal 7429625
Binary 11100010101110111111001 (23 bits)
Octal 0o34256771
Hexadecimal 0x715DF9

Divisor Catalog (5 of 24)

1 5 7 25 35

Collatz Trajectory (235 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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