λ
Sequence Observatory

1,233,223

857 × 1439
Deficient Odd Composite

Starting at 1,233,223, the Collatz iteration reaches 1 after 191 steps. The first transition is 3699670; the starting value is odd with 4 positive divisors.

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Prime Factor Structure

Factorization String 857 × 1439
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,235,520
Proper Divisor Sum 2,297
Digit Sum / Digital Root 16 (Root: 7)
Adjacent Primes #1233209 ← → #1233241

Radix Representation

Decimal 1233223
Binary 100101101000101000111 (21 bits)
Octal 0o4550507
Hexadecimal 0x12D147

Divisor Catalog (4)

1 857 1,439 1,233,223

Collatz Trajectory (191 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.

1,233,223 3,699,670 1,849,835 5,549,506 2,774,753

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