λ
Sequence Observatory

5,579,838

2 × 32 × 11 × 28181
Abundant Even Composite

Starting at 5,579,838, the Collatz iteration reaches 1 after 232 steps. The first transition is 2789919; the starting value is even with 24 positive divisors.

Prime Factor Structure

Factorization String 2 × 3^2 × 11 × 28181
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 13,189,176
Proper Divisor Sum 7,609,338
Digit Sum / Digital Root 45 (Root: 9)
Adjacent Primes #5579837 ← → #5579839

Radix Representation

Decimal 5579838
Binary 10101010010010000111110 (23 bits)
Octal 0o25222076
Hexadecimal 0x55243E

Divisor Catalog (24)

1 2 3 6 9 11 18 22 33 66 99 198 28,181 56,362 84,543 169,086 253,629 309,991 507,258 619,982 929,973 1,859,946 2,789,919 5,579,838

Collatz Trajectory (232 steps to reach 1)

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

5,579,838 2,789,919 8,369,758 4,184,879 12,554,638 6,277,319 18,831,958 9,415,979 28,247,938 14,123,969 42,371,908 21,185,954 10,592,977 31,778,932 15,889,466 7,944,733 23,834,200 11,917,100 5,958,550 2,979,275 8,937,826 4,468,913 13,406,740 6,703,370 3,351,685 10,055,056 5,027,528 2,513,764 1,256,882 628,441 1,885,324 942,662 471,331 1,413,994 706,997 2,120,992 1,060,496 530,248 265,124 132,562 66,281 198,844 99,422 49,711 149,134 74,567 223,702 111,851 335,554 167,777 503,332 251,666 125,833 377,500 188,750 94,375 283,126 141,563 424,690 212,345

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