Properties of the Number 11860

Eleven Thousand Eight Hundred Sixty

Basics

Value: 11859 → 11860 → 11861

Parity: even

Prime: No

Previous Prime: 11839

Next Prime: 11863

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 5 × 593

Divisors: 1, 2, 4, 5, 10, 20, 593, 1186, 2372, 2965

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111001010100

Octal: 27124

Duodecimal: 6A44

Hexadecimal: 2e54

Square: 140659600

Square Root: 108.90362712049586

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 ways to place 3 nonattacking kings on an n X n board. A61996

Triangle read by rows: T(n,k) = number of ways to place k nonattacking kings on an n X n board. A193580

Triangle T(m,k) read by rows, where T(m,k) is the number of ways in which 1<=k<=m positions can be picked in an m X m square array such that all positions are mutually isolated. Two positions (s,t),(u,v) are considered as isolated from each other if min(abs(s-u),abs(t-v))>1. A98487

Numbers n such that there is no square n-gonal number greater than 1. A188896

a(n) = 8·n² + 8·n + 4. A108099

G.f.: exp( ∑_n>=1 (xⁿ/n) * ∏_d∣n (1 + n·x^d/d) ). A205476

Sum of the largest parts in the partitions of n into 7 squarefree parts. A308960

G.f.: ∏_m>0 (1+x^m+2!*x^2·m). A293204

Number of compositions (ordered partitions) of n into square pyramidal numbers (A000330). A322340

Principal diagonal of the convolution array A213783. A213759