λ
Sequence Observatory

2,846,237

131 × 21727
Deficient Odd Composite

Starting at 2,846,237, the Collatz iteration reaches 1 after 125 steps. The first transition is 8538712; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 131 × 21727
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 2,868,096
Proper Divisor Sum 21,859
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #2846189 ← → #2846243

Radix Representation

Decimal 2846237
Binary 1010110110111000011101 (22 bits)
Octal 0o12667035
Hexadecimal 0x2B6E1D

Divisor Catalog (4)

1 131 21,727 2,846,237

Collatz Trajectory (125 steps to reach 1)

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

2,846,237 8,538,712 4,269,356 2,134,678 1,067,339 3,202,018 1,601,009 4,803,028 2,401,514 1,200,757 3,602,272 1,801,136 900,568 450,284 225,142 112,571 337,714 168,857 506,572 253,286 126,643 379,930 189,965 569,896 284,948 142,474 71,237 213,712 106,856 53,428 26,714 13,357 40,072 20,036 10,018 5,009 15,028 7,514 3,757 11,272 5,636 2,818 1,409 4,228 2,114 1,057 3,172 1,586 793 2,380 1,190 595 1,786 893 2,680 1,340 670 335 1,006 503

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