λ
Sequence Observatory

2,923,517

31 × 94307
Deficient Odd Composite

Starting at 2,923,517, the Collatz iteration reaches 1 after 213 steps. The first transition is 8770552; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 31 × 94307
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 3,017,856
Proper Divisor Sum 94,339
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #2923513 ← → #2923523

Radix Representation

Decimal 2923517
Binary 1011001001101111111101 (22 bits)
Octal 0o13115775
Hexadecimal 0x2C9BFD

Divisor Catalog (4)

1 31 94,307 2,923,517

Collatz Trajectory (213 steps to reach 1)

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

2,923,517 8,770,552 4,385,276 2,192,638 1,096,319 3,288,958 1,644,479 4,933,438 2,466,719 7,400,158 3,700,079 11,100,238 5,550,119 16,650,358 8,325,179 24,975,538 12,487,769 37,463,308 18,731,654 9,365,827 28,097,482 14,048,741 42,146,224 21,073,112 10,536,556 5,268,278 2,634,139 7,902,418 3,951,209 11,853,628 5,926,814 2,963,407 8,890,222 4,445,111 13,335,334 6,667,667 20,003,002 10,001,501 30,004,504 15,002,252 7,501,126 3,750,563 11,251,690 5,625,845 16,877,536 8,438,768 4,219,384 2,109,692 1,054,846 527,423 1,582,270 791,135 2,373,406 1,186,703 3,560,110 1,780,055 5,340,166 2,670,083 8,010,250 4,005,125

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