λ
Sequence Observatory

5,707,861

5707861
Deficient Odd Prime

Starting at 5,707,861, the Collatz iteration reaches 1 after 126 steps. The first transition is 17123584; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 5707861
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 5,707,862
Proper Divisor Sum 1
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #5707853 ← → #5707883

Radix Representation

Decimal 5707861
Binary 10101110001100001010101 (23 bits)
Octal 0o25614125
Hexadecimal 0x571855

Divisor Catalog (2)

1 5,707,861

Collatz Trajectory (126 steps to reach 1)

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

5,707,861 17,123,584 8,561,792 4,280,896 2,140,448 1,070,224 535,112 267,556 133,778 66,889 200,668 100,334 50,167 150,502 75,251 225,754 112,877 338,632 169,316 84,658 42,329 126,988 63,494 31,747 95,242 47,621 142,864 71,432 35,716 17,858 8,929 26,788 13,394 6,697 20,092 10,046 5,023 15,070 7,535 22,606 11,303 33,910 16,955 50,866 25,433 76,300 38,150 19,075 57,226 28,613 85,840 42,920 21,460 10,730 5,365 16,096 8,048 4,024 2,012 1,006

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