λ
Sequence Observatory

3,447,725

52 × 137909
Deficient Odd Composite

Starting at 3,447,725, the Collatz iteration reaches 1 after 58 steps. The first transition is 10343176; the starting value is odd with 6 positive divisors.

Prime Factor Structure

Factorization String 5^2 × 137909
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 6
Divisor Sum (σ) 4,275,210
Proper Divisor Sum 827,485
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #3447713 ← → #3447733

Radix Representation

Decimal 3447725
Binary 1101001001101110101101 (22 bits)
Octal 0o15115655
Hexadecimal 0x349BAD

Divisor Catalog (6)

1 5 25 137,909 689,545 3,447,725

Collatz Trajectory (58 steps to reach 1)

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

3,447,725 10,343,176 5,171,588 2,585,794 1,292,897 3,878,692 1,939,346 969,673 2,909,020 1,454,510 727,255 2,181,766 1,090,883 3,272,650 1,636,325 4,908,976 2,454,488 1,227,244 613,622 306,811 920,434 460,217 1,380,652 690,326 345,163 1,035,490 517,745 1,553,236 776,618 388,309 1,164,928 582,464 291,232 145,616 72,808 36,404 18,202 9,101 27,304 13,652 6,826 3,413 10,240 5,120 2,560 1,280 640 320 160 80 40 20 10 5 16 8 4 2 1

More profiles

← Previous Integer #3,447,724 Browse Full Index Next Integer #3,447,726 →