λ
Sequence Observatory

3,706,995

3 × 5 × 19 × 13007
Deficient Odd Composite

Starting at 3,706,995, the Collatz iteration reaches 1 after 234 steps. The first transition is 11120986; the starting value is odd with 16 positive divisors.

Prime Factor Structure

Factorization String 3 × 5 × 19 × 13007
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 6,243,840
Proper Divisor Sum 2,536,845
Digit Sum / Digital Root 39 (Root: 3)
Adjacent Primes #3706961 ← → #3707021

Radix Representation

Decimal 3706995
Binary 1110001001000001110011 (22 bits)
Octal 0o16110163
Hexadecimal 0x389073

Divisor Catalog (16)

1 3 5 15 19 57 95 285 13,007 39,021 65,035 195,105 247,133 741,399 1,235,665 3,706,995

Collatz Trajectory (234 steps to reach 1)

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

3,706,995 11,120,986 5,560,493 16,681,480 8,340,740 4,170,370 2,085,185 6,255,556 3,127,778 1,563,889 4,691,668 2,345,834 1,172,917 3,518,752 1,759,376 879,688 439,844 219,922 109,961 329,884 164,942 82,471 247,414 123,707 371,122 185,561 556,684 278,342 139,171 417,514 208,757 626,272 313,136 156,568 78,284 39,142 19,571 58,714 29,357 88,072 44,036 22,018 11,009 33,028 16,514 8,257 24,772 12,386 6,193 18,580 9,290 4,645 13,936 6,968 3,484 1,742 871 2,614 1,307 3,922

More profiles

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