λ
Sequence Observatory

3,489,565

5 × 697913
Deficient Odd Composite

Starting at 3,489,565, the Collatz iteration reaches 1 after 190 steps. The first transition is 10468696; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 5 × 697913
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 4,187,484
Proper Divisor Sum 697,919
Digit Sum / Digital Root 40 (Root: 4)
Adjacent Primes #3489533 ← → #3489571

Radix Representation

Decimal 3489565
Binary 1101010011111100011101 (22 bits)
Octal 0o15237435
Hexadecimal 0x353F1D

Divisor Catalog (4)

1 5 697,913 3,489,565

Collatz Trajectory (190 steps to reach 1)

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

3,489,565 10,468,696 5,234,348 2,617,174 1,308,587 3,925,762 1,962,881 5,888,644 2,944,322 1,472,161 4,416,484 2,208,242 1,104,121 3,312,364 1,656,182 828,091 2,484,274 1,242,137 3,726,412 1,863,206 931,603 2,794,810 1,397,405 4,192,216 2,096,108 1,048,054 524,027 1,572,082 786,041 2,358,124 1,179,062 589,531 1,768,594 884,297 2,652,892 1,326,446 663,223 1,989,670 994,835 2,984,506 1,492,253 4,476,760 2,238,380 1,119,190 559,595 1,678,786 839,393 2,518,180 1,259,090 629,545 1,888,636 944,318 472,159 1,416,478 708,239 2,124,718 1,062,359 3,187,078 1,593,539 4,780,618

More profiles

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