λ
Sequence Observatory

8,316,471

3 × 19 × 145903
Deficient Odd Composite

Starting at 8,316,471, the Collatz iteration reaches 1 after 186 steps. The first transition is 24949414; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 3 × 19 × 145903
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 11,672,320
Proper Divisor Sum 3,355,849
Digit Sum / Digital Root 30 (Root: 3)
Adjacent Primes #8316467 ← → #8316479

Radix Representation

Decimal 8316471
Binary 11111101110011000110111 (23 bits)
Octal 0o37563067
Hexadecimal 0x7EE637

Divisor Catalog (8)

1 3 19 57 145,903 437,709 2,772,157 8,316,471

Collatz Trajectory (186 steps to reach 1)

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

8,316,471 24,949,414 12,474,707 37,424,122 18,712,061 56,136,184 28,068,092 14,034,046 7,017,023 21,051,070 10,525,535 31,576,606 15,788,303 47,364,910 23,682,455 71,047,366 35,523,683 106,571,050 53,285,525 159,856,576 79,928,288 39,964,144 19,982,072 9,991,036 4,995,518 2,497,759 7,493,278 3,746,639 11,239,918 5,619,959 16,859,878 8,429,939 25,289,818 12,644,909 37,934,728 18,967,364 9,483,682 4,741,841 14,225,524 7,112,762 3,556,381 10,669,144 5,334,572 2,667,286 1,333,643 4,000,930 2,000,465 6,001,396 3,000,698 1,500,349 4,501,048 2,250,524 1,125,262 562,631 1,687,894 843,947 2,531,842 1,265,921 3,797,764 1,898,882

More profiles

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