λ
Sequence Observatory

1,814,590

2 × 5 × 181459
Deficient Even Composite

Starting at 1,814,590, the Collatz iteration reaches 1 after 114 steps. The first transition is 907295; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 5 × 181459
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 3,266,280
Proper Divisor Sum 1,451,690
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #1814581 ← → #1814599

Radix Representation

Decimal 1814590
Binary 110111011000000111110 (21 bits)
Octal 0o6730076
Hexadecimal 0x1BB03E

Divisor Catalog (8)

1 2 5 10 181,459 362,918 907,295 1,814,590

Collatz Trajectory (114 steps to reach 1)

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

1,814,590 907,295 2,721,886 1,360,943 4,082,830 2,041,415 6,124,246 3,062,123 9,186,370 4,593,185 13,779,556 6,889,778 3,444,889 10,334,668 5,167,334 2,583,667 7,751,002 3,875,501 11,626,504 5,813,252 2,906,626 1,453,313 4,359,940 2,179,970 1,089,985 3,269,956 1,634,978 817,489 2,452,468 1,226,234 613,117 1,839,352 919,676 459,838 229,919 689,758 344,879 1,034,638 517,319 1,551,958 775,979 2,327,938 1,163,969 3,491,908 1,745,954 872,977 2,618,932 1,309,466 654,733 1,964,200 982,100 491,050 245,525 736,576 368,288 184,144 92,072 46,036 23,018 11,509

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