λ
Sequence Observatory

1,042,909

7 × 383 × 389
Deficient Odd Composite

Starting at 1,042,909, the Collatz iteration reaches 1 after 165 steps. The first transition is 3128728; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 7 × 383 × 389
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 1,198,080
Proper Divisor Sum 155,171
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #1042903 ← → #1042931

Radix Representation

Decimal 1042909
Binary 11111110100111011101 (20 bits)
Octal 0o3764735
Hexadecimal 0xFE9DD

Divisor Catalog (8)

1 7 383 389 2,681 2,723 148,987 1,042,909

Collatz Trajectory (165 steps to reach 1)

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

1,042,909 3,128,728 1,564,364 782,182 391,091 1,173,274 586,637 1,759,912 879,956 439,978 219,989 659,968 329,984 164,992 82,496 41,248 20,624 10,312 5,156 2,578 1,289 3,868 1,934 967 2,902 1,451 4,354 2,177 6,532 3,266 1,633 4,900 2,450 1,225 3,676 1,838 919 2,758 1,379 4,138 2,069 6,208 3,104 1,552 776 388 194 97 292 146 73 220 110 55 166 83 250 125 376 188

More profiles

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