λ
Sequence Observatory

8,156,823

3 × 2718941
Deficient Odd Composite

Starting at 8,156,823, the Collatz iteration reaches 1 after 155 steps. The first transition is 24470470; the starting value is odd with 4 positive divisors.

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Prime Factor Structure

Factorization String 3 × 2718941
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 10,875,768
Proper Divisor Sum 2,718,945
Digit Sum / Digital Root 33 (Root: 6)
Adjacent Primes #8156807 ← → #8156849

Radix Representation

Decimal 8156823
Binary 11111000111011010010111 (23 bits)
Octal 0o37073227
Hexadecimal 0x7C7697

Divisor Catalog (4)

Collatz Trajectory (155 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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