λ
Sequence Observatory

5,098,915

5 × 1019783
Deficient Odd Composite

Starting at 5,098,915, the Collatz iteration reaches 1 after 87 steps. The first transition is 15296746; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 5 × 1019783
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 6,118,704
Proper Divisor Sum 1,019,789
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #5098909 ← → #5098927

Radix Representation

Decimal 5098915
Binary 10011011100110110100011 (23 bits)
Octal 0o23346643
Hexadecimal 0x4DCDA3

Divisor Catalog (4)

1 5 1,019,783 5,098,915

Collatz Trajectory (87 steps to reach 1)

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

5,098,915 15,296,746 7,648,373 22,945,120 11,472,560 5,736,280 2,868,140 1,434,070 717,035 2,151,106 1,075,553 3,226,660 1,613,330 806,665 2,419,996 1,209,998 604,999 1,814,998 907,499 2,722,498 1,361,249 4,083,748 2,041,874 1,020,937 3,062,812 1,531,406 765,703 2,297,110 1,148,555 3,445,666 1,722,833 5,168,500 2,584,250 1,292,125 3,876,376 1,938,188 969,094 484,547 1,453,642 726,821 2,180,464 1,090,232 545,116 272,558 136,279 408,838 204,419 613,258 306,629 919,888 459,944 229,972 114,986 57,493 172,480 86,240 43,120 21,560 10,780 5,390

More profiles

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