Properties of the Number 18124

Eighteen Thousand One Hundred Twenty-Four

Basics

Value: 18123 → 18124 → 18125

Parity: even

Prime: No

Previous Prime: 18121

Next Prime: 18127

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 23 × 197

Divisors: 1, 2, 4, 23, 46, 92, 197, 394, 788, 4531

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100011011001100

Octal: 43314

Duodecimal: A5A4

Hexadecimal: 46cc

Square: 328479376

Square Root: 134.62540622037136

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

Numbers n such that Bernoulli number B_n has denominator 1410. A272369

Triangle T(n,k) giving the number of terms of A219666 which have n digits (A084558) in their factorial base expansion and whose most significant digit (A099563) in that base is k. A230420

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 3 4 5 or 6. A251836

Triangle A230420 transposed. A230421

Numbers n such that 3·2^n-1 - 1 is prime. A91997

a(n) = 625·n - 1. A158374

Partial sums of A139250. A160424

Numbers for which the cube of the sum of the digits is equal to the square of the product of their digits. A241846

Bijective base-9 representation of the sum of all numbers in bijective base-9 numeration with digit sum n. A332691

Coordination sequence for MgNi2, Position Mg1. A9936