λ
Sequence Observatory

7,440,817

73 × 101929
Deficient Odd Composite

Starting at 7,440,817, the Collatz iteration reaches 1 after 147 steps. The first transition is 22322452; the starting value is odd with 4 positive divisors.

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Prime Factor Structure

Factorization String 73 × 101929
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 7,542,820
Proper Divisor Sum 102,003
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #7440779 ← → #7440821

Radix Representation

Decimal 7440817
Binary 11100011000100110110001 (23 bits)
Octal 0o34304661
Hexadecimal 0x7189B1

Divisor Catalog (4)

Collatz Trajectory (147 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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