λ
Sequence Observatory

3,331,653

3 × 13 × 85427
Deficient Odd Composite

Starting at 3,331,653, the Collatz iteration reaches 1 after 133 steps. The first transition is 9994960; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 3 × 13 × 85427
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 4,783,968
Proper Divisor Sum 1,452,315
Digit Sum / Digital Root 24 (Root: 6)
Adjacent Primes #3331651 ← → #3331661

Radix Representation

Decimal 3331653
Binary 1100101101011001000101 (22 bits)
Octal 0o14553105
Hexadecimal 0x32D645

Divisor Catalog (8)

1 3 13 39 85,427 256,281 1,110,551 3,331,653

Collatz Trajectory (133 steps to reach 1)

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

3,331,653 9,994,960 4,997,480 2,498,740 1,249,370 624,685 1,874,056 937,028 468,514 234,257 702,772 351,386 175,693 527,080 263,540 131,770 65,885 197,656 98,828 49,414 24,707 74,122 37,061 111,184 55,592 27,796 13,898 6,949 20,848 10,424 5,212 2,606 1,303 3,910 1,955 5,866 2,933 8,800 4,400 2,200 1,100 550 275 826 413 1,240 620 310 155 466 233 700 350 175 526 263 790 395 1,186 593

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