λ
Sequence Observatory

6,562,676

22 × 19 × 86351
Deficient Even Composite

Starting at 6,562,676, the Collatz iteration reaches 1 after 90 steps. The first transition is 3281338; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 19 × 86351
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 12,089,280
Proper Divisor Sum 5,526,604
Digit Sum / Digital Root 38 (Root: 2)
Adjacent Primes #6562651 ← → #6562679

Radix Representation

Decimal 6562676
Binary 11001000010001101110100 (23 bits)
Octal 0o31021564
Hexadecimal 0x642374

Divisor Catalog (12)

1 2 4 19 38 76 86,351 172,702 345,404 1,640,669 3,281,338 6,562,676

Collatz Trajectory (90 steps to reach 1)

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

6,562,676 3,281,338 1,640,669 4,922,008 2,461,004 1,230,502 615,251 1,845,754 922,877 2,768,632 1,384,316 692,158 346,079 1,038,238 519,119 1,557,358 778,679 2,336,038 1,168,019 3,504,058 1,752,029 5,256,088 2,628,044 1,314,022 657,011 1,971,034 985,517 2,956,552 1,478,276 739,138 369,569 1,108,708 554,354 277,177 831,532 415,766 207,883 623,650 311,825 935,476 467,738 233,869 701,608 350,804 175,402 87,701 263,104 131,552 65,776 32,888 16,444 8,222 4,111 12,334 6,167 18,502 9,251 27,754 13,877 41,632

More profiles

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