Properties of the Number 18148

Eighteen Thousand One Hundred Forty-Eight

Basics

Value: 18147 → 18148 → 18149

Parity: even

Prime: No

Previous Prime: 18143

Next Prime: 18149

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 13 × 349

Divisors: 1, 2, 4, 13, 26, 52, 349, 698, 1396, 4537

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100011011100100

Octal: 43344

Duodecimal: A604

Hexadecimal: 46e4

Square: 329349904

Square Root: 134.7145129523913

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

House numbers: a(n) = (n+1)³ + ∑_i=1..n i². A51662

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the number of rightwards and downwards edge increases in each 2X2 subblock differing from the number in each of its horizontal and vertical neighbors. A205246

Number of non-Fibonacci parts in the last section of the set of partitions of n. A144118

Number of (n+1)X2 0..2 arrays with the number of rightwards and downwards edge increases in each 2X2 subblock differing from the number in each of its horizontal and vertical neighbors. A205239

Number of (n+1)X5 0..2 arrays with the number of rightwards and downwards edge increases in each 2X2 subblock differing from the number in each of its horizontal and vertical neighbors. A205242

Partial sums of A169707. A253098

Number of 3's in n-th term of A022482. A22486

a(n) = [ (3rd elementary symmetric function of P(n))/(first elementary symmetric function of P(n)) ], where P(n) = {1, p(1), p(2), ..., p(n-1)}, where p(0) = 1. A24532

Number of permutations of 1..n containing the relative rank sequence { 153426 } at any spacing. A159123

Powers of fifth root of 12 rounded to nearest integer. A18148