λ
Sequence Observatory

3,187,265

5 × 31 × 20563
Deficient Odd Composite

Starting at 3,187,265, the Collatz iteration reaches 1 after 102 steps. The first transition is 9561796; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 5 × 31 × 20563
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 3,948,288
Proper Divisor Sum 761,023
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #3187243 ← → #3187267

Radix Representation

Decimal 3187265
Binary 1100001010001001000001 (22 bits)
Octal 0o14121101
Hexadecimal 0x30A241

Divisor Catalog (8)

1 5 31 155 20,563 102,815 637,453 3,187,265

Collatz Trajectory (102 steps to reach 1)

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

3,187,265 9,561,796 4,780,898 2,390,449 7,171,348 3,585,674 1,792,837 5,378,512 2,689,256 1,344,628 672,314 336,157 1,008,472 504,236 252,118 126,059 378,178 189,089 567,268 283,634 141,817 425,452 212,726 106,363 319,090 159,545 478,636 239,318 119,659 358,978 179,489 538,468 269,234 134,617 403,852 201,926 100,963 302,890 151,445 454,336 227,168 113,584 56,792 28,396 14,198 7,099 21,298 10,649 31,948 15,974 7,987 23,962 11,981 35,944 17,972 8,986 4,493 13,480 6,740 3,370

More profiles

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