λ
Sequence Observatory

9,173,804

22 × 181 × 12671
Deficient Even Composite

Starting at 9,173,804, the Collatz iteration reaches 1 after 119 steps. The first transition is 4586902; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 181 × 12671
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 16,144,128
Proper Divisor Sum 6,970,324
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #9173797 ← → #9173819

Radix Representation

Decimal 9173804
Binary 100010111111101100101100 (24 bits)
Octal 0o42775454
Hexadecimal 0x8BFB2C

Divisor Catalog (12)

1 2 4 181 362 724 12,671 25,342 50,684 2,293,451 4,586,902 9,173,804

Collatz Trajectory (119 steps to reach 1)

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

9,173,804 4,586,902 2,293,451 6,880,354 3,440,177 10,320,532 5,160,266 2,580,133 7,740,400 3,870,200 1,935,100 967,550 483,775 1,451,326 725,663 2,176,990 1,088,495 3,265,486 1,632,743 4,898,230 2,449,115 7,347,346 3,673,673 11,021,020 5,510,510 2,755,255 8,265,766 4,132,883 12,398,650 6,199,325 18,597,976 9,298,988 4,649,494 2,324,747 6,974,242 3,487,121 10,461,364 5,230,682 2,615,341 7,846,024 3,923,012 1,961,506 980,753 2,942,260 1,471,130 735,565 2,206,696 1,103,348 551,674 275,837 827,512 413,756 206,878 103,439 310,318 155,159 465,478 232,739 698,218 349,109

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