λ
Sequence Observatory

5,565,149

23 × 241963
Deficient Odd Composite

Starting at 5,565,149, the Collatz iteration reaches 1 after 232 steps. The first transition is 16695448; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 23 × 241963
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 5,807,136
Proper Divisor Sum 241,987
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #5565139 ← → #5565163

Radix Representation

Decimal 5565149
Binary 10101001110101011011101 (23 bits)
Octal 0o25165335
Hexadecimal 0x54EADD

Divisor Catalog (4)

1 23 241,963 5,565,149

Collatz Trajectory (232 steps to reach 1)

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

5,565,149 16,695,448 8,347,724 4,173,862 2,086,931 6,260,794 3,130,397 9,391,192 4,695,596 2,347,798 1,173,899 3,521,698 1,760,849 5,282,548 2,641,274 1,320,637 3,961,912 1,980,956 990,478 495,239 1,485,718 742,859 2,228,578 1,114,289 3,342,868 1,671,434 835,717 2,507,152 1,253,576 626,788 313,394 156,697 470,092 235,046 117,523 352,570 176,285 528,856 264,428 132,214 66,107 198,322 99,161 297,484 148,742 74,371 223,114 111,557 334,672 167,336 83,668 41,834 20,917 62,752 31,376 15,688 7,844 3,922 1,961 5,884

More profiles

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