Properties of the Number 19426

Nineteen Thousand Four Hundred Twenty-Six

Basics

Value: 19425 → 19426 → 19427

Parity: even

Prime: No

Previous Prime: 19423

Next Prime: 19427

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 11 × 883

Divisors: 1, 2, 11, 22, 883, 1766, 9713, 19426

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100101111100010

Octal: 45742

Duodecimal: B2AA

Hexadecimal: 4be2

Square: 377369476

Square Root: 139.37718608151047

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

Sums of the squares of multinomial coefficients. A183240

Numbers that are the sum of seven fourth powers in six or more ways. A345572

Numbers that are the sum of seven fourth powers in exactly six ways. A345828

Rectangular table where T(n,k) is the sum of the n-th powers of the k-th row of multinomial coefficients in triangle A036038 for n>=0, k>=0, as read by antidiagonals. A183610

Length of row n of the Kolakoski fan A143477. A143586

Ulam's spiral (ENE spoke). A143856

a(n) = ∑_k=0..n 3^k * binomial(n,k)ⁿ. A336212

a(1) = 1 and for n > 1 let a(n) = a(n-1) + m, where m is the arithmetic mean of the largest subset of all predecessors such that m is an integer and m is maximal. A63676

Centered heptagonal numbers which are sphenic numbers. A360183

Number of ways a black pawn (from any starting square on the second back rank) can (theoretically) end on the n-th square of the leftmost file counted from the back rank. A62106