λ
Sequence Observatory

1,814,677

23 × 257 × 307
Deficient Odd Composite

Starting at 1,814,677, the Collatz iteration reaches 1 after 109 steps. The first transition is 5444032; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 23 × 257 × 307
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 1,907,136
Proper Divisor Sum 92,459
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #1814669 ← → #1814693

Radix Representation

Decimal 1814677
Binary 110111011000010010101 (21 bits)
Octal 0o6730225
Hexadecimal 0x1BB095

Divisor Catalog (8)

1 23 257 307 5,911 7,061 78,899 1,814,677

Collatz Trajectory (109 steps to reach 1)

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

1,814,677 5,444,032 2,722,016 1,361,008 680,504 340,252 170,126 85,063 255,190 127,595 382,786 191,393 574,180 287,090 143,545 430,636 215,318 107,659 322,978 161,489 484,468 242,234 121,117 363,352 181,676 90,838 45,419 136,258 68,129 204,388 102,194 51,097 153,292 76,646 38,323 114,970 57,485 172,456 86,228 43,114 21,557 64,672 32,336 16,168 8,084 4,042 2,021 6,064 3,032 1,516 758 379 1,138 569 1,708 854 427 1,282 641 1,924

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