λ
Sequence Observatory

6,750,563

47 × 143629
Deficient Odd Composite

Starting at 6,750,563, the Collatz iteration reaches 1 after 108 steps. The first transition is 20251690; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 47 × 143629
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 6,894,240
Proper Divisor Sum 143,677
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #6750559 ← → #6750571

Radix Representation

Decimal 6750563
Binary 11001110000000101100011 (23 bits)
Octal 0o31600543
Hexadecimal 0x670163

Divisor Catalog (4)

1 47 143,629 6,750,563

Collatz Trajectory (108 steps to reach 1)

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

6,750,563 20,251,690 10,125,845 30,377,536 15,188,768 7,594,384 3,797,192 1,898,596 949,298 474,649 1,423,948 711,974 355,987 1,067,962 533,981 1,601,944 800,972 400,486 200,243 600,730 300,365 901,096 450,548 225,274 112,637 337,912 168,956 84,478 42,239 126,718 63,359 190,078 95,039 285,118 142,559 427,678 213,839 641,518 320,759 962,278 481,139 1,443,418 721,709 2,165,128 1,082,564 541,282 270,641 811,924 405,962 202,981 608,944 304,472 152,236 76,118 38,059 114,178 57,089 171,268 85,634 42,817

More profiles

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