644,304

2⁴ × 3 × 31 × 433

Prime Factor Structure

Factorization String 2^4 × 3 × 31 × 433

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 40

Divisor Sum (σ) 1,722,112

Proper Divisor Sum 1,077,808

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #644297 ← → #644327

1 2 3 4 6 8 12 16 24 31 48 62 93 124 186 248 372 433 496 744 866 1,299 1,488 1,732 2,598 3,464 5,196 6,928 10,392 13,423 20,784 26,846 40,269 53,692 80,538 107,384 161,076 214,768 322,152 644,304

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

644,304 322,152 161,076 80,538 40,269 120,808 60,404 30,202 15,101 45,304 22,652 11,326 5,663 16,990 8,495 25,486 12,743 38,230 19,115 57,346 28,673 86,020 43,010 21,505 64,516 32,258 16,129 48,388 24,194 12,097 36,292 18,146 9,073 27,220 13,610 6,805 20,416 10,208 5,104 2,552 1,276 638 319 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367 4,102

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