λ
Sequence Observatory

1,872,770

2 × 5 × 187277
Deficient Even Composite

Starting at 1,872,770, the Collatz iteration reaches 1 after 277 steps. The first transition is 936385; the starting value is even with 8 positive divisors.

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Prime Factor Structure

Factorization String 2 × 5 × 187277
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 3,371,004
Proper Divisor Sum 1,498,234
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #1872769 ← → #1872799

Radix Representation

Decimal 1872770
Binary 111001001001110000010 (21 bits)
Octal 0o7111602
Hexadecimal 0x1C9382

Divisor Catalog (5 of 8)

Collatz Trajectory (277 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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