253,452

2² × 3 × 21121

Prime Factor Structure

Factorization String 2^2 × 3 × 21121

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Total Divisors 12

Divisor Sum (σ) 591,416

Proper Divisor Sum 337,964

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #253447 ← → #253469

1 2 3 4 6 12 21,121 42,242 63,363 84,484 126,726 253,452

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

253,452 126,726 63,363 190,090 95,045 285,136 142,568 71,284 35,642 17,821 53,464 26,732 13,366 6,683 20,050 10,025 30,076 15,038 7,519 22,558 11,279 33,838 16,919 50,758 25,379 76,138 38,069 114,208 57,104 28,552 14,276 7,138 3,569 10,708 5,354 2,677 8,032 4,016 2,008 1,004 502 251 754 377 1,132 566 283 850 425 1,276 638 319 958 479 1,438 719 2,158 1,079 3,238 1,619

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