669,716

2² × 167429

Starting at 669,716, the Collatz iteration reaches 1 after 141 steps. The first transition is 334858; the starting value is even with 6 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 167429

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 1,172,010

Proper Divisor Sum 502,294

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #669707 ← → #669733

Radix Representation

Decimal	669716
Binary	10100011100000010100 (20 bits)
Octal	0o2434024
Hexadecimal	0xA3814

Divisor Catalog (6)

1 2 4 167,429 334,858 669,716

Collatz Trajectory (141 steps to reach 1)

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

669,716 334,858 167,429 502,288 251,144 125,572 62,786 31,393 94,180 47,090 23,545 70,636 35,318 17,659 52,978 26,489 79,468 39,734 19,867 59,602 29,801 89,404 44,702 22,351 67,054 33,527 100,582 50,291 150,874 75,437 226,312 113,156 56,578 28,289 84,868 42,434 21,217 63,652 31,826 15,913 47,740 23,870 11,935 35,806 17,903 53,710 26,855 80,566 40,283 120,850 60,425 181,276 90,638 45,319 135,958 67,979 203,938 101,969 305,908 152,954

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