Properties of the Number -13898

Thirteen Thousand Eight Hundred Ninety-Eight

Basics

Value: -13899 → -13898 → -13897

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 × 6949

Divisors: 1, 2, 6949, 13898

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -11011001001010

Octal: -33112

Duodecimal: -8062

Hexadecimal: -364a

Square: 193154404

Square Root: 117.88977903109328

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

Dirichlet inverse of function f(n) = 1+(A003415(n)*A276086(n)), where A003415 is the arithmetic derivative and A276086 is the primorial base exp-function. A359603

Numbers k > 1 such that, in base 5, k and k² contain the same digits in the same proportion. A61659

Number of partitions p of n such that (number of numbers in p of form 3k) < (number of numbers in p of form 3k+1). A241743

Strings of 5 digits from 1...9, such that no formula using the single digits in the given order exists that evaluates to 0. A288355

First of triples of consecutive happy numbers, i.e., the first of three consecutive integers each of which is a happy number (A007770). A72494

a(n) = round(113*φⁿ). A80105

Number of binary strings of length n having a factorization as a concatenation of palindromes of length at least 2. A241210

a(n) = floor(n*(n-1)*(n-2)/7). A11889

Union of A080105 and A080106. A80078

Numbers k such that the continued fraction for sqrt(k) has period 39. A20378