λ
Sequence Observatory

1,769,766

2 × 3 × 137 × 2153
Abundant Even Composite

Starting at 1,769,766, the Collatz iteration reaches 1 after 220 steps. The first transition is 884883; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 3 × 137 × 2153
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 3,567,024
Proper Divisor Sum 1,797,258
Digit Sum / Digital Root 42 (Root: 6)
Adjacent Primes #1769749 ← → #1769771

Radix Representation

Decimal 1769766
Binary 110110000000100100110 (21 bits)
Octal 0o6600446
Hexadecimal 0x1B0126

Divisor Catalog (16)

1 2 3 6 137 274 411 822 2,153 4,306 6,459 12,918 294,961 589,922 884,883 1,769,766

Collatz Trajectory (220 steps to reach 1)

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

1,769,766 884,883 2,654,650 1,327,325 3,981,976 1,990,988 995,494 497,747 1,493,242 746,621 2,239,864 1,119,932 559,966 279,983 839,950 419,975 1,259,926 629,963 1,889,890 944,945 2,834,836 1,417,418 708,709 2,126,128 1,063,064 531,532 265,766 132,883 398,650 199,325 597,976 298,988 149,494 74,747 224,242 112,121 336,364 168,182 84,091 252,274 126,137 378,412 189,206 94,603 283,810 141,905 425,716 212,858 106,429 319,288 159,644 79,822 39,911 119,734 59,867 179,602 89,801 269,404 134,702 67,351

More profiles

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