Properties of the Number 11284

Eleven Thousand Two Hundred Eighty-Four

Basics

Value: 11283 → 11284 → 11285

Parity: even

Prime: No

Previous Prime: 11279

Next Prime: 11287

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 7 × 13 × 31

Divisors: 1, 2, 4, 7, 13, 14, 26, 28, 31, 52

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10110000010100

Octal: 26024

Duodecimal: 6644

Hexadecimal: 2c14

Square: 127328656

Square Root: 106.22617379911601

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

Triangle T(n,k) (n >= 2, k = 3..n+floor(n/2)) giving number of bicoverings of an n-set with k blocks. A59443

Number of isosceles triangles that can be formed from the n² points of n X n grid of points (or geoboard). A186434

Number of interior points that are the intersections of exactly two chords in the configuration A006561(n). A292104

Number of 4-block bicoverings of an n-set. A59945

Numbers k that, when expressed in base 6 and then interpreted in base 10, give a multiple of k. A62942

Numbers m such that 2*φ(m) = φ(m+1). A50472

Sum of the parts in the partitions of 4n into 4 parts with smallest part = 1. A239056

Numbers having exactly four representations by the quadratic form x²+xy+y² with 0<=x<=y. A198775

a(n) = n*(n + 5)*(n + 10)*(n + 15)/24. A264446

a(n) = A000203(A036966(n)), the sum of divisors of the n-th cubefull number A036966(n). A362986