Properties of the Number 87424

Eighty-Seven Thousand Four Hundred Twenty-Four

Basics

Value: 87423 → 87424 → 87425

Parity: even

Prime: No

Previous Prime: 87421

Next Prime: 87427

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ⁷ × 683

Divisors: 1, 2, 4, 8, 16, 32, 64, 128, 683, 1366

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10101010110000000

Octal: 252600

Duodecimal: 42714

Hexadecimal: 15580

Square: 7642955776

Square Root: 295.67549780122124

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

Number of closed walks of length 2n at any of the nodes of degree 1 on the graph of the (7,4) Hamming code. A103334

Array read by antidiagonals: T(n,k) is the number of nonisomorphic k-tuples of involutions on a (2n)-set that pairwise commute. A362903

Number of subsets of {1,2,3,...,n} that sum to 0 mod 3. A68010

Table read by downward antidiagonals: T(n,k) is the number of tilings of the n X k cylinder by two distinct tiles. A368264

Positive values of m such that binomial(4·m - 1, m) is odd. A263132

a(n) = S(4·n,4)/S(n,4) where S(n,m) = ∑_k=0..n binomial(n,k)*Fibonacci(m·k). A87424