8,458,424

2³ × 13 × 81331

8,458,424 factors as 2^3 × 13 × 81331. Its 16 positive divisors give a proper-divisor sum of 8,621,296, so this integer is abundant. The Collatz stopping time is 75 steps.

Prime Factor Structure

Factorization String 2^3 × 13 × 81331

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 17,079,720

Proper Divisor Sum 8,621,296

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #8458409 ← → #8458427

Radix Representation

Decimal	8458424
Binary	100000010001000010111000 (24 bits)
Octal	0o40210270
Hexadecimal	0x8110B8

Divisor Catalog (16)

1 2 4 8 13 26 52 104 81,331 162,662 325,324 650,648 1,057,303 2,114,606 4,229,212 8,458,424

Collatz Trajectory (75 steps to reach 1)

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

8,458,424 4,229,212 2,114,606 1,057,303 3,171,910 1,585,955 4,757,866 2,378,933 7,136,800 3,568,400 1,784,200 892,100 446,050 223,025 669,076 334,538 167,269 501,808 250,904 125,452 62,726 31,363 94,090 47,045 141,136 70,568 35,284 17,642 8,821 26,464 13,232 6,616 3,308 1,654 827 2,482 1,241 3,724 1,862 931 2,794 1,397 4,192 2,096 1,048 524 262 131 394 197 592 296 148 74 37 112 56 28 14 7

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