Properties of the Number 43140

Forty-Three Thousand One Hundred Forty

Basics

Value: 43139 → 43140 → 43141

Parity: even

Prime: No

Previous Prime: 43133

Next Prime: 43151

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 5 × 719

Divisors: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010100010000100

Octal: 124204

Duodecimal: 20B70

Hexadecimal: a884

Square: 1861059600

Square Root: 207.70170918892313

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 of primes in A214828. A242572

Convolution square of A003114. A145467

Numbers k such that both the sum of the semiprime divisors of k and the sum of the prime divisors of k are squares. A227478

Numbers k such that 1 and 5 occur juxtaposed in the base-7 representation of k but not of k-1. A43140