λ
Sequence Observatory

9,271,178

2 × 7 × 662227
Deficient Even Composite

Starting at 9,271,178, the Collatz iteration reaches 1 after 49 steps. The first transition is 4635589; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 7 × 662227
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 15,893,472
Proper Divisor Sum 6,622,294
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #9271169 ← → #9271193

Radix Representation

Decimal 9271178
Binary 100011010111011110001010 (24 bits)
Octal 0o43273612
Hexadecimal 0x8D778A

Divisor Catalog (8)

1 2 7 14 662,227 1,324,454 4,635,589 9,271,178

Collatz Trajectory (49 steps to reach 1)

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

9,271,178 4,635,589 13,906,768 6,953,384 3,476,692 1,738,346 869,173 2,607,520 1,303,760 651,880 325,940 162,970 81,485 244,456 122,228 61,114 30,557 91,672 45,836 22,918 11,459 34,378 17,189 51,568 25,784 12,892 6,446 3,223 9,670 4,835 14,506 7,253 21,760 10,880 5,440 2,720 1,360 680 340 170 85 256 128 64 32 16 8 4 2 1

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