Properties of the Number 11984

Eleven Thousand Nine Hundred Eighty-Four

Basics

Value: 11983 → 11984 → 11985

Parity: even

Prime: No

Previous Prime: 11981

Next Prime: 11987

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ⁴ × 7 × 107

Divisors: 1, 2, 4, 7, 8, 14, 16, 28, 56, 107

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111011010000

Octal: 27320

Duodecimal: 6B28

Hexadecimal: 2ed0

Square: 143616256

Square Root: 109.47145746723207

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

Cluster series for square lattice. A3203

Numbers k that, when expressed in base 5 and then interpreted in base 9, give a multiple of k. A62931

Number of ordered triples (w,x,y) with all terms in {1,...,n} and 2w<x+y. A182260

T(n,k) is the number of (n+1) X (k+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings). A234890

Triangle read by rows: T(n,k) is the k-th Lie-Betti number of a complete graph on n vertices, n >= 1, k >= 0. A360625

Non-balanced numbers in A015771. A78549

Number of line-self-dual nets (or edge-self-dual nets) with n nodes. A4106

Numbers n such that ψ(n) = ψ(n+1), where ψ(n) is Dedekind ψ function (A001615). A291043

Isomorphism classes of connected 2-regular digraphs on n nodes, allowing multiarcs and loops. A306892

Numbers k such that k and k+1 are both φ-practical numbers (A260653). A330871