λ
Sequence Observatory

2,905,922

2 × 1452961
Deficient Even Composite

Starting at 2,905,922, the Collatz iteration reaches 1 after 68 steps. The first transition is 1452961; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 1452961
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 4,358,886
Proper Divisor Sum 1,452,964
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #2905921 ← → #2905949

Radix Representation

Decimal 2905922
Binary 1011000101011101000010 (22 bits)
Octal 0o13053502
Hexadecimal 0x2C5742

Divisor Catalog (4)

1 2 1,452,961 2,905,922

Collatz Trajectory (68 steps to reach 1)

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

2,905,922 1,452,961 4,358,884 2,179,442 1,089,721 3,269,164 1,634,582 817,291 2,451,874 1,225,937 3,677,812 1,838,906 919,453 2,758,360 1,379,180 689,590 344,795 1,034,386 517,193 1,551,580 775,790 387,895 1,163,686 581,843 1,745,530 872,765 2,618,296 1,309,148 654,574 327,287 981,862 490,931 1,472,794 736,397 2,209,192 1,104,596 552,298 276,149 828,448 414,224 207,112 103,556 51,778 25,889 77,668 38,834 19,417 58,252 29,126 14,563 43,690 21,845 65,536 32,768 16,384 8,192 4,096 2,048 1,024 512

More profiles

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