λ
Sequence Observatory

1,674,846

2 × 32 × 93047
Abundant Even Composite

Starting at 1,674,846, the Collatz iteration reaches 1 after 163 steps. The first transition is 837423; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2 × 3^2 × 93047
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 3,628,872
Proper Divisor Sum 1,954,026
Digit Sum / Digital Root 36 (Root: 9)
Adjacent Primes #1674821 ← → #1674847

Radix Representation

Decimal 1674846
Binary 110011000111001011110 (21 bits)
Octal 0o6307136
Hexadecimal 0x198E5E

Divisor Catalog (12)

1 2 3 6 9 18 93,047 186,094 279,141 558,282 837,423 1,674,846

Collatz Trajectory (163 steps to reach 1)

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

1,674,846 837,423 2,512,270 1,256,135 3,768,406 1,884,203 5,652,610 2,826,305 8,478,916 4,239,458 2,119,729 6,359,188 3,179,594 1,589,797 4,769,392 2,384,696 1,192,348 596,174 298,087 894,262 447,131 1,341,394 670,697 2,012,092 1,006,046 503,023 1,509,070 754,535 2,263,606 1,131,803 3,395,410 1,697,705 5,093,116 2,546,558 1,273,279 3,819,838 1,909,919 5,729,758 2,864,879 8,594,638 4,297,319 12,891,958 6,445,979 19,337,938 9,668,969 29,006,908 14,503,454 7,251,727 21,755,182 10,877,591 32,632,774 16,316,387 48,949,162 24,474,581 73,423,744 36,711,872 18,355,936 9,177,968 4,588,984 2,294,492

More profiles

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