Properties of the Number 23950

Twenty-Three Thousand Nine Hundred Fifty

Basics

Value: 23949 → 23950 → 23951

Parity: even

Prime: No

Previous Prime: 23929

Next Prime: 23957

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 5 ² × 479

Divisors: 1, 2, 5, 10, 25, 50, 479, 958, 2395, 4790

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101110110001110

Octal: 56616

Duodecimal: 11A3A

Hexadecimal: 5d8e

Square: 573602500

Square Root: 154.7578754054216

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

Larger of amicable pair m < n defined by t(n) = m and t(m) = n where t(n) = ψ(n) - n and ψ(n) = A001615(n) is the Dedekind ψ function. A323330

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of B(x)^k, where B(x) is the g.f. of A384649. A384653

G.f. A(x) satisfies A(x)² = A(x²) / (1 - 2·x)² with A(0)=1. A372957

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 579", based on the 5-celled von Neumann neighborhood. A273028

Integer part of the area of consecutive prime sided tetragons with one right angle. A105270

Expansion of g.f. 1/((1-x)*(1-6·x)*(1-7·x)*(1-9·x)). A23950

Number of (n+2)X4 0..2 arrays with every 3X3 subblock having three strictly increasing elements in a row horizontally, vertically or nw-to-se diagonally exactly one way. A204601