Properties of the Number 43138

Forty-Three Thousand One Hundred Thirty-Eight

Basics

Value: 43137 → 43138 → 43139

Parity: even

Prime: No

Previous Prime: 43133

Next Prime: 43151

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 21569

Divisors: 1, 2, 21569, 43138

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010100010000010

Octal: 124202

Duodecimal: 20B6A

Hexadecimal: a882

Square: 1860887044

Square Root: 207.6968945362448

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

Indices k such that the (k+1)-st partial sum of primes divided by k is an integer. A134126

Number of (unlabeled) loopless multigraphs with no isolated vertices such that the sum of the numbers of vertices and edges is n. A265580

Numbers k such that 1 and 3 occur juxtaposed in the base-7 representation of k but not of k-1. A43138