Properties of the Number 23146

Twenty-Three Thousand One Hundred Forty-Six

Basics

Value: 23145 → 23146 → 23147

Parity: even

Prime: No

Previous Prime: 23143

Next Prime: 23159

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 71 × 163

Divisors: 1, 2, 71, 142, 163, 326, 11573, 23146

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101101001101010

Octal: 55152

Duodecimal: 1148A

Hexadecimal: 5a6a

Square: 535737316

Square Root: 152.1380951635717

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

Expansion of g.f. x³/(1 - 2·x + x³ - x⁴). A59633

p-INVERT of the positive integers, where p(S) = 1 - 3·S + S². A291025

a(n) is the numerator of c(n), where c(n) is calculated from ∏_i>=1(1-c(i)*xⁱ) = exp(-(x²)/(1-x))*(1-x). A259027

a(0) = 1, a(n) = ∑_k=1..n a(n-k)*ceiling(sin(k)). A265826

Numbers k such that prime(k) == 4 (mod k). A23146