λ
Sequence Observatory

4,917,784

23 × 89 × 6907
Deficient Even Composite

Starting at 4,917,784, the Collatz iteration reaches 1 after 87 steps. The first transition is 2458892; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2^3 × 89 × 6907
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 9,325,800
Proper Divisor Sum 4,408,016
Digit Sum / Digital Root 40 (Root: 4)
Adjacent Primes #4917779 ← → #4917793

Radix Representation

Decimal 4917784
Binary 10010110000101000011000 (23 bits)
Octal 0o22605030
Hexadecimal 0x4B0A18

Divisor Catalog (16)

1 2 4 8 89 178 356 712 6,907 13,814 27,628 55,256 614,723 1,229,446 2,458,892 4,917,784

Collatz Trajectory (87 steps to reach 1)

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

4,917,784 2,458,892 1,229,446 614,723 1,844,170 922,085 2,766,256 1,383,128 691,564 345,782 172,891 518,674 259,337 778,012 389,006 194,503 583,510 291,755 875,266 437,633 1,312,900 656,450 328,225 984,676 492,338 246,169 738,508 369,254 184,627 553,882 276,941 830,824 415,412 207,706 103,853 311,560 155,780 77,890 38,945 116,836 58,418 29,209 87,628 43,814 21,907 65,722 32,861 98,584 49,292 24,646 12,323 36,970 18,485 55,456 27,728 13,864 6,932 3,466 1,733 5,200

More profiles

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