λ
Sequence Observatory

3,816,874

2 × 17 × 112261
Deficient Even Composite

Starting at 3,816,874, the Collatz iteration reaches 1 after 172 steps. The first transition is 1908437; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 17 × 112261
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 6,062,148
Proper Divisor Sum 2,245,274
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #3816863 ← → #3816877

Radix Representation

Decimal 3816874
Binary 1110100011110110101010 (22 bits)
Octal 0o16436652
Hexadecimal 0x3A3DAA

Divisor Catalog (8)

1 2 17 34 112,261 224,522 1,908,437 3,816,874

Collatz Trajectory (172 steps to reach 1)

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

3,816,874 1,908,437 5,725,312 2,862,656 1,431,328 715,664 357,832 178,916 89,458 44,729 134,188 67,094 33,547 100,642 50,321 150,964 75,482 37,741 113,224 56,612 28,306 14,153 42,460 21,230 10,615 31,846 15,923 47,770 23,885 71,656 35,828 17,914 8,957 26,872 13,436 6,718 3,359 10,078 5,039 15,118 7,559 22,678 11,339 34,018 17,009 51,028 25,514 12,757 38,272 19,136 9,568 4,784 2,392 1,196 598 299 898 449 1,348 674

More profiles

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