λ
Sequence Observatory

3,056,557

7 × 436651
Deficient Odd Composite

Starting at 3,056,557, the Collatz iteration reaches 1 after 133 steps. The first transition is 9169672; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 7 × 436651
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 3,493,216
Proper Divisor Sum 436,659
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #3056531 ← → #3056561

Radix Representation

Decimal 3056557
Binary 1011101010001110101101 (22 bits)
Octal 0o13521655
Hexadecimal 0x2EA3AD

Divisor Catalog (4)

1 7 436,651 3,056,557

Collatz Trajectory (133 steps to reach 1)

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

3,056,557 9,169,672 4,584,836 2,292,418 1,146,209 3,438,628 1,719,314 859,657 2,578,972 1,289,486 644,743 1,934,230 967,115 2,901,346 1,450,673 4,352,020 2,176,010 1,088,005 3,264,016 1,632,008 816,004 408,002 204,001 612,004 306,002 153,001 459,004 229,502 114,751 344,254 172,127 516,382 258,191 774,574 387,287 1,161,862 580,931 1,742,794 871,397 2,614,192 1,307,096 653,548 326,774 163,387 490,162 245,081 735,244 367,622 183,811 551,434 275,717 827,152 413,576 206,788 103,394 51,697 155,092 77,546 38,773 116,320

More profiles

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