λ
Sequence Observatory

5,189,016

23 × 3 × 7 × 67 × 461
Abundant Even Composite

Starting at 5,189,016, the Collatz iteration reaches 1 after 95 steps. The first transition is 2594508; the starting value is even with 64 positive divisors.

Prime Factor Structure

Factorization String 2^3 × 3 × 7 × 67 × 461
Distinct Prime Factors 5
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 64
Divisor Sum (σ) 15,079,680
Proper Divisor Sum 9,890,664
Digit Sum / Digital Root 30 (Root: 3)
Adjacent Primes #5188979 ← → #5189027

Radix Representation

Decimal 5189016
Binary 10011110010110110011000 (23 bits)
Octal 0o23626630
Hexadecimal 0x4F2D98

Divisor Catalog (60 of 64)

1 2 3 4 6 7 8 12 14 21 24 28 42 56 67 84 134 168 201 268 402 461 469 536 804 922 938 1,383 1,407 1,608 1,844 1,876 2,766 2,814 3,227 3,688 3,752 5,532 5,628 6,454 9,681 11,064 11,256 12,908 19,362 25,816 30,887 38,724 61,774 77,448 92,661 123,548 185,322 216,209 247,096 370,644 432,418 648,627 741,288 864,836

Collatz Trajectory (95 steps to reach 1)

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

5,189,016 2,594,508 1,297,254 648,627 1,945,882 972,941 2,918,824 1,459,412 729,706 364,853 1,094,560 547,280 273,640 136,820 68,410 34,205 102,616 51,308 25,654 12,827 38,482 19,241 57,724 28,862 14,431 43,294 21,647 64,942 32,471 97,414 48,707 146,122 73,061 219,184 109,592 54,796 27,398 13,699 41,098 20,549 61,648 30,824 15,412 7,706 3,853 11,560 5,780 2,890 1,445 4,336 2,168 1,084 542 271 814 407 1,222 611 1,834 917

More profiles

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