2² × 172421

Prime Factor Structure

Factorization String 2^2 × 172421

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 1,206,954

Proper Divisor Sum 517,270

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #689641 ← → #689693

1 2 4 172,421 344,842 689,684

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

689,684 344,842 172,421 517,264 258,632 129,316 64,658 32,329 96,988 48,494 24,247 72,742 36,371 109,114 54,557 163,672 81,836 40,918 20,459 61,378 30,689 92,068 46,034 23,017 69,052 34,526 17,263 51,790 25,895 77,686 38,843 116,530 58,265 174,796 87,398 43,699 131,098 65,549 196,648 98,324 49,162 24,581 73,744 36,872 18,436 9,218 4,609 13,828 6,914 3,457 10,372 5,186 2,593 7,780 3,890 1,945 5,836 2,918 1,459 4,378

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