λ
Sequence Observatory

910,389

3 × 303463
Deficient Odd Composite

Starting at 910,389, the Collatz iteration reaches 1 after 64 steps. The first transition is 2731168; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 3 × 303463
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,213,856
Proper Divisor Sum 303,467
Digit Sum / Digital Root 30 (Root: 3)
Adjacent Primes #910369 ← → #910421

Radix Representation

Decimal 910389
Binary 11011110010000110101 (20 bits)
Octal 0o3362065
Hexadecimal 0xDE435

Divisor Catalog (4)

1 3 303,463 910,389

Collatz Trajectory (64 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

910,389 2,731,168 1,365,584 682,792 341,396 170,698 85,349 256,048 128,024 64,012 32,006 16,003 48,010 24,005 72,016 36,008 18,004 9,002 4,501 13,504 6,752 3,376 1,688 844 422 211 634 317 952 476 238 119 358 179 538 269 808 404 202 101 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5

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