λ
Sequence Observatory

659,714

2 × 11 × 157 × 191
Deficient Even Composite

Starting at 659,714, the Collatz iteration reaches 1 after 61 steps. The first transition is 329857; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 11 × 157 × 191
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 1,092,096
Proper Divisor Sum 432,382
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #659713 ← → #659723

Radix Representation

Decimal 659714
Binary 10100001000100000010 (20 bits)
Octal 0o2410402
Hexadecimal 0xA1102

Divisor Catalog (16)

1 2 11 22 157 191 314 382 1,727 2,101 3,454 4,202 29,987 59,974 329,857 659,714

Collatz Trajectory (61 steps to reach 1)

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

659,714 329,857 989,572 494,786 247,393 742,180 371,090 185,545 556,636 278,318 139,159 417,478 208,739 626,218 313,109 939,328 469,664 234,832 117,416 58,708 29,354 14,677 44,032 22,016 11,008 5,504 2,752 1,376 688 344 172 86 43 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10 5 16 8 4

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