Properties of the Number 43124

Forty-Three Thousand One Hundred Twenty-Four

Basics

Value: 43123 → 43124 → 43125

Parity: even

Prime: No

Previous Prime: 43117

Next Prime: 43133

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 10781

Divisors: 1, 2, 4, 10781, 21562, 43124

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1010100001110100

Octal: 124164

Duodecimal: 20B58

Hexadecimal: a874

Square: 1859679376

Square Root: 207.66318884193223

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 sequence defined by A(0) = 19, A(n) = 10·A(n-1) - 31 for n > 0. A102021

G.f. A(x) satisfies: [xⁿ] A(x)ⁿ⁺¹ = [xⁿ] (1 + x·A(x)ⁿ⁺⁴)ⁿ⁺¹ for n >= 0. A360236

Numbers k such that 1 and 5 occur juxtaposed in the base-6 representation of k but not of k-1. A43124