λ
Sequence Observatory

2,030,859

33 × 75217
Deficient Odd Composite

Starting at 2,030,859, the Collatz iteration reaches 1 after 83 steps. The first transition is 6092578; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 3^3 × 75217
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 3,008,720
Proper Divisor Sum 977,861
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #2030789 ← → #2030879

Radix Representation

Decimal 2030859
Binary 111101111110100001011 (21 bits)
Octal 0o7576413
Hexadecimal 0x1EFD0B

Divisor Catalog (8)

1 3 9 27 75,217 225,651 676,953 2,030,859

Collatz Trajectory (83 steps to reach 1)

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

2,030,859 6,092,578 3,046,289 9,138,868 4,569,434 2,284,717 6,854,152 3,427,076 1,713,538 856,769 2,570,308 1,285,154 642,577 1,927,732 963,866 481,933 1,445,800 722,900 361,450 180,725 542,176 271,088 135,544 67,772 33,886 16,943 50,830 25,415 76,246 38,123 114,370 57,185 171,556 85,778 42,889 128,668 64,334 32,167 96,502 48,251 144,754 72,377 217,132 108,566 54,283 162,850 81,425 244,276 122,138 61,069 183,208 91,604 45,802 22,901 68,704 34,352 17,176 8,588 4,294 2,147

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