λ
Sequence Observatory

9,538,427

331 × 28817
Deficient Odd Composite

Starting at 9,538,427, the Collatz iteration reaches 1 after 150 steps. The first transition is 28615282; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 331 × 28817
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 9,567,576
Proper Divisor Sum 29,149
Digit Sum / Digital Root 38 (Root: 2)
Adjacent Primes #9538423 ← → #9538433

Radix Representation

Decimal 9538427
Binary 100100011000101101111011 (24 bits)
Octal 0o44305573
Hexadecimal 0x918B7B

Divisor Catalog (4)

1 331 28,817 9,538,427

Collatz Trajectory (150 steps to reach 1)

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

9,538,427 28,615,282 14,307,641 42,922,924 21,461,462 10,730,731 32,192,194 16,096,097 48,288,292 24,144,146 12,072,073 36,216,220 18,108,110 9,054,055 27,162,166 13,581,083 40,743,250 20,371,625 61,114,876 30,557,438 15,278,719 45,836,158 22,918,079 68,754,238 34,377,119 103,131,358 51,565,679 154,697,038 77,348,519 232,045,558 116,022,779 348,068,338 174,034,169 522,102,508 261,051,254 130,525,627 391,576,882 195,788,441 587,365,324 293,682,662 146,841,331 440,523,994 220,261,997 660,785,992 330,392,996 165,196,498 82,598,249 247,794,748 123,897,374 61,948,687 185,846,062 92,923,031 278,769,094 139,384,547 418,153,642 209,076,821 627,230,464 313,615,232 156,807,616 78,403,808

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