Properties of the Number 12085

Twelve Thousand Eighty-Five

Basics

Value: 12084 → 12085 → 12086

Parity: odd

Prime: No

Previous Prime: 12073

Next Prime: 12097

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 × 2417

Divisors: 1, 5, 2417, 12085

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111100110101

Octal: 27465

Duodecimal: 6BB1

Hexadecimal: 2f35

Square: 146047225

Square Root: 109.9317970379817

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Number of collections of subsets of {1, 2, ..., n} that are closed under union and intersection. A306445

Strictly superdiagonal compositions: compositions (p1, p2, p3, ...) of n such that π > i. A238874

Expansion of e.g.f. 1/(1 - 3·x*exp(x))^1/3. A380017

Positive numbers y such that y² is of the form x²+(x+359)² with integer x. A159844

Number of compositions of n with strictly decreasing first quotients. A342494

Row sums of triangle A134146 and partition array A134145 (M3(3)/M3). A134147

Numbers k such that continued fraction of (1 + sqrt(k))/2 has period 17. A146340

Sequence by greedy construction satisfying Lucier-Sárközy difference set condition. A174911

Number of (w,x,y,z) with all terms in {0,...,n} and at least one of these conditions holds: w<R, x>R, y>R, z>R, where R = max{w,x,y,z} - min{w,x,y,z}. A212754

Centered octahemioctahedral numbers: a(n) = (4·n³+24·n²+8·n+3)/3. A274974