λ
Sigma Notebook

219,168

25 × 32 × 761
Abundant Even Composite

219,168 is even and not a perfect square. Its factorization is 2^5 × 3^2 × 761 and its 36 divisors sum to 624,078.

Prime Factor Structure

Factorization String 2^5 × 3^2 × 761
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 36
Divisor Sum (σ) 624,078
Proper Divisor Sum 404,910
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #219143 ← → #219169

Radix Representation

Decimal 219168
Binary 110101100000100000 (18 bits)
Octal 0o654040
Hexadecimal 0x35820

Divisor Catalog (36)

1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 761 1,522 2,283 3,044 4,566 6,088 6,849 9,132 12,176 13,698 18,264 24,352 27,396 36,528 54,792 73,056 109,584 219,168

Collatz Trajectory (62 steps to reach 1)

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

219,168 109,584 54,792 27,396 13,698 6,849 20,548 10,274 5,137 15,412 7,706 3,853 11,560 5,780 2,890 1,445 4,336 2,168 1,084 542 271 814 407 1,222 611 1,834 917 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

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