2² × 3 × 5 × 3557

Prime Factor Structure

Factorization String 2^2 × 3 × 5 × 3557

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 597,744

Proper Divisor Sum 384,324

Digit Sum / Digital Root 12 (Root: 3)

Adjacent Primes #213407 ← → #213449

1 2 3 4 5 6 10 12 15 20 30 60 3,557 7,114 10,671 14,228 17,785 21,342 35,570 42,684 53,355 71,140 106,710 213,420

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

213,420 106,710 53,355 160,066 80,033 240,100 120,050 60,025 180,076 90,038 45,019 135,058 67,529 202,588 101,294 50,647 151,942 75,971 227,914 113,957 341,872 170,936 85,468 42,734 21,367 64,102 32,051 96,154 48,077 144,232 72,116 36,058 18,029 54,088 27,044 13,522 6,761 20,284 10,142 5,071 15,214 7,607 22,822 11,411 34,234 17,117 51,352 25,676 12,838 6,419 19,258 9,629 28,888 14,444 7,222 3,611 10,834 5,417 16,252 8,126

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