λ
Sequence Observatory

2,586,594

2 × 3 × 431099
Abundant Even Composite

Starting at 2,586,594, the Collatz iteration reaches 1 after 94 steps. The first transition is 1293297; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 3 × 431099
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 5,173,200
Proper Divisor Sum 2,586,606
Digit Sum / Digital Root 39 (Root: 3)
Adjacent Primes #2586593 ← → #2586599

Radix Representation

Decimal 2586594
Binary 1001110111011111100010 (22 bits)
Octal 0o11673742
Hexadecimal 0x2777E2

Divisor Catalog (8)

1 2 3 6 431,099 862,198 1,293,297 2,586,594

Collatz Trajectory (94 steps to reach 1)

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

2,586,594 1,293,297 3,879,892 1,939,946 969,973 2,909,920 1,454,960 727,480 363,740 181,870 90,935 272,806 136,403 409,210 204,605 613,816 306,908 153,454 76,727 230,182 115,091 345,274 172,637 517,912 258,956 129,478 64,739 194,218 97,109 291,328 145,664 72,832 36,416 18,208 9,104 4,552 2,276 1,138 569 1,708 854 427 1,282 641 1,924 962 481 1,444 722 361 1,084 542 271 814 407 1,222 611 1,834 917 2,752

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