λ
Sequence Observatory

3,487,565

5 × 697513
Deficient Odd Composite

Starting at 3,487,565, the Collatz iteration reaches 1 after 97 steps. The first transition is 10462696; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 5 × 697513
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 4,185,084
Proper Divisor Sum 697,519
Digit Sum / Digital Root 38 (Root: 2)
Adjacent Primes #3487529 ← → #3487597

Radix Representation

Decimal 3487565
Binary 1101010011011101001101 (22 bits)
Octal 0o15233515
Hexadecimal 0x35374D

Divisor Catalog (4)

1 5 697,513 3,487,565

Collatz Trajectory (97 steps to reach 1)

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

3,487,565 10,462,696 5,231,348 2,615,674 1,307,837 3,923,512 1,961,756 980,878 490,439 1,471,318 735,659 2,206,978 1,103,489 3,310,468 1,655,234 827,617 2,482,852 1,241,426 620,713 1,862,140 931,070 465,535 1,396,606 698,303 2,094,910 1,047,455 3,142,366 1,571,183 4,713,550 2,356,775 7,070,326 3,535,163 10,605,490 5,302,745 15,908,236 7,954,118 3,977,059 11,931,178 5,965,589 17,896,768 8,948,384 4,474,192 2,237,096 1,118,548 559,274 279,637 838,912 419,456 209,728 104,864 52,432 26,216 13,108 6,554 3,277 9,832 4,916 2,458 1,229 3,688

More profiles

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