Properties of the Number 11859

Eleven Thousand Eight Hundred Fifty-Nine

Basics

Value: 11858 → 11859 → 11860

Parity: odd

Prime: No

Previous Prime: 11839

Next Prime: 11863

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 59 × 67

Divisors: 1, 3, 59, 67, 177, 201, 3953, 11859

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10111001010011

Octal: 27123

Duodecimal: 6A43

Hexadecimal: 2e53

Square: 140635881

Square Root: 108.89903580840374

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

a(n+1)-+a(n)=prime, a(n+1)*a(n)=Average of twin prime pairs, a(1)=2,a(2)=9. A154495

a(n) = PrimePi(n³) - PrimePi(n)³, where PrimePi = A000720. A291538

T(n,k)=Number of lower triangular n X n arrays colored with integers 0 upwards introduced in row major order, with no element equal to any element at a city block distance of two, and containing the value n(n+1)/2-k-1. A212036

Floor of the expected value of number of trials until exactly two cells are empty in a random distribution of n balls in n cells. A210113

a(n) = ∑_k=0..2ⁿ-1 k·A261015(n,k). A261016

Array of coefficients of characteristic polynomials of M_n, the n X n matrix with entries m_i,j = i mod j. A78924

Expansion of a(x²) / f(-x) in powers of·where a() is a cubic AGM θ function and f() is a Ramanujan θ function. A261454

Squarefree part of numerator of the squared area of the Heronian triangle with sequential odd sides whose shortest leg is 2·n+1. A334176

Odd composite integers m such that U(m)² == 1 (mod m) and V(m) == 6 (mod m), where U(m) and V(m) are the m-th generalized Lucas and Pell-Lucas numbers of parameters a=6 and b=-1, respectively. A337629

Pseudoprimes to base 58. A20186