λ
Sequence Observatory

3,698,773

13 × 284521
Deficient Odd Composite

Starting at 3,698,773, the Collatz iteration reaches 1 after 203 steps. The first transition is 11096320; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 13 × 284521
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 3,983,308
Proper Divisor Sum 284,535
Digit Sum / Digital Root 43 (Root: 7)
Adjacent Primes #3698771 ← → #3698789

Radix Representation

Decimal 3698773
Binary 1110000111000001010101 (22 bits)
Octal 0o16070125
Hexadecimal 0x387055

Divisor Catalog (4)

1 13 284,521 3,698,773

Collatz Trajectory (203 steps to reach 1)

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

3,698,773 11,096,320 5,548,160 2,774,080 1,387,040 693,520 346,760 173,380 86,690 43,345 130,036 65,018 32,509 97,528 48,764 24,382 12,191 36,574 18,287 54,862 27,431 82,294 41,147 123,442 61,721 185,164 92,582 46,291 138,874 69,437 208,312 104,156 52,078 26,039 78,118 39,059 117,178 58,589 175,768 87,884 43,942 21,971 65,914 32,957 98,872 49,436 24,718 12,359 37,078 18,539 55,618 27,809 83,428 41,714 20,857 62,572 31,286 15,643 46,930 23,465

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