λ
Sequence Observatory

8,598,144

27 × 3 × 22391
Abundant Even Composite

Starting at 8,598,144, the Collatz iteration reaches 1 after 75 steps. The first transition is 4299072; the starting value is even with 32 positive divisors.

Prime Factor Structure

Factorization String 2^7 × 3 × 22391
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 32
Divisor Sum (σ) 22,839,840
Proper Divisor Sum 14,241,696
Digit Sum / Digital Root 39 (Root: 3)
Adjacent Primes #8598143 ← → #8598167

Radix Representation

Decimal 8598144
Binary 100000110011001010000000 (24 bits)
Octal 0o40631200
Hexadecimal 0x833280

Divisor Catalog (32)

1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 22,391 44,782 67,173 89,564 134,346 179,128 268,692 358,256 537,384 716,512 1,074,768 1,433,024 2,149,536 2,866,048 4,299,072 8,598,144

Collatz Trajectory (75 steps to reach 1)

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

8,598,144 4,299,072 2,149,536 1,074,768 537,384 268,692 134,346 67,173 201,520 100,760 50,380 25,190 12,595 37,786 18,893 56,680 28,340 14,170 7,085 21,256 10,628 5,314 2,657 7,972 3,986 1,993 5,980 2,990 1,495 4,486 2,243 6,730 3,365 10,096 5,048 2,524 1,262 631 1,894 947 2,842 1,421 4,264 2,132 1,066 533 1,600 800 400 200 100 50 25 76 38 19 58 29 88 44

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