λ
Sequence Observatory

2,002,964

22 × 500741
Deficient Even Composite

Starting at 2,002,964, the Collatz iteration reaches 1 after 91 steps. The first transition is 1001482; the starting value is even with 6 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 500741
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 6
Divisor Sum (σ) 3,505,194
Proper Divisor Sum 1,502,230
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #2002939 ← → #2002967

Radix Representation

Decimal 2002964
Binary 111101001000000010100 (21 bits)
Octal 0o7510024
Hexadecimal 0x1E9014

Divisor Catalog (6)

1 2 4 500,741 1,001,482 2,002,964

Collatz Trajectory (91 steps to reach 1)

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

2,002,964 1,001,482 500,741 1,502,224 751,112 375,556 187,778 93,889 281,668 140,834 70,417 211,252 105,626 52,813 158,440 79,220 39,610 19,805 59,416 29,708 14,854 7,427 22,282 11,141 33,424 16,712 8,356 4,178 2,089 6,268 3,134 1,567 4,702 2,351 7,054 3,527 10,582 5,291 15,874 7,937 23,812 11,906 5,953 17,860 8,930 4,465 13,396 6,698 3,349 10,048 5,024 2,512 1,256 628 314 157 472 236 118 59

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