λ
Sequence Observatory

1,335,181

1069 × 1249
Deficient Odd Composite

Starting at 1,335,181, the Collatz iteration reaches 1 after 93 steps. The first transition is 4005544; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 1069 × 1249
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,337,500
Proper Divisor Sum 2,319
Digit Sum / Digital Root 22 (Root: 4)
Adjacent Primes #1335167 ← → #1335199

Radix Representation

Decimal 1335181
Binary 101000101111110001101 (21 bits)
Octal 0o5057615
Hexadecimal 0x145F8D

Divisor Catalog (4)

1 1,069 1,249 1,335,181

Collatz Trajectory (93 steps to reach 1)

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

1,335,181 4,005,544 2,002,772 1,001,386 500,693 1,502,080 751,040 375,520 187,760 93,880 46,940 23,470 11,735 35,206 17,603 52,810 26,405 79,216 39,608 19,804 9,902 4,951 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

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