λ
Sequence Observatory

1,656,982

2 × 353 × 2347
Deficient Even Composite

Starting at 1,656,982, the Collatz iteration reaches 1 after 31 steps. The first transition is 828491; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 353 × 2347
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 2,493,576
Proper Divisor Sum 836,594
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #1656979 ← → #1656997

Radix Representation

Decimal 1656982
Binary 110010100100010010110 (21 bits)
Octal 0o6244226
Hexadecimal 0x194896

Divisor Catalog (8)

1 2 353 706 2,347 4,694 828,491 1,656,982

Collatz Trajectory (31 steps to reach 1)

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

1,656,982 828,491 2,485,474 1,242,737 3,728,212 1,864,106 932,053 2,796,160 1,398,080 699,040 349,520 174,760 87,380 43,690 21,845 65,536 32,768 16,384 8,192 4,096 2,048 1,024 512 256 128 64 32 16 8 4 2 1

More profiles

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