λ
Sequence Observatory

3,809,317

233 × 16349
Deficient Odd Composite

Starting at 3,809,317, the Collatz iteration reaches 1 after 128 steps. The first transition is 11427952; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 233 × 16349
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 3,825,900
Proper Divisor Sum 16,583
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #3809297 ← → #3809321

Radix Representation

Decimal 3809317
Binary 1110100010000000100101 (22 bits)
Octal 0o16420045
Hexadecimal 0x3A2025

Divisor Catalog (4)

1 233 16,349 3,809,317

Collatz Trajectory (128 steps to reach 1)

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

3,809,317 11,427,952 5,713,976 2,856,988 1,428,494 714,247 2,142,742 1,071,371 3,214,114 1,607,057 4,821,172 2,410,586 1,205,293 3,615,880 1,807,940 903,970 451,985 1,355,956 677,978 338,989 1,016,968 508,484 254,242 127,121 381,364 190,682 95,341 286,024 143,012 71,506 35,753 107,260 53,630 26,815 80,446 40,223 120,670 60,335 181,006 90,503 271,510 135,755 407,266 203,633 610,900 305,450 152,725 458,176 229,088 114,544 57,272 28,636 14,318 7,159 21,478 10,739 32,218 16,109 48,328 24,164

More profiles

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