Properties of the Number 71424

Seventy-One Thousand Four Hundred Twenty-Four

Basics

Value: 71423 → 71424 → 71425

Parity: even

Prime: No

Previous Prime: 71419

Next Prime: 71429

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ⁸ × 3 ² × 31

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001011100000000

Octal: 213400

Duodecimal: 35400

Hexadecimal: 11700

Square: 5101387776

Square Root: 267.2526894158411

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

Triangle T(n,k), 0<=k<=n, formed from coefficients when formula for n-th diagonal of triangle in A059718 is written as a sum of binomial coefficients. A59720

Triangle read by rows: T(n,k) (n>=0, 0<=k<=floor(n/2)) is the number of permutations of n and k valleys (considered cyclically). A263789

Number of fixed points in all cycle-up-down permutations of {1,2,...,n}. A186365

Number of 3-step king's tours on an n X n board summed over all starting positions. A186862

Triangle read by rows: T(n,k) is the number of alternating max-precedes-min permutations on [n+2] with 1 in position k+2, 0<=k<=n. A104346

Expansion of e.g.f. x/(1+sin(x)). A108124

Number of permutations of 1..n arranged in a circle with exactly 4 local maxima. A159712

Determinant of the upper left n X n elements of the array T(n, m) in A109626. A111605

Row sums of triangle defined in A113820. A160968

Number of nX4 binary arrays without the pattern 1 1 0 diagonally or antidiagonally. A189106