Properties of the Number 8418

Eight Thousand Four Hundred Eighteen

Basics

Value: 8417 → 8418 → 8419

Parity: even

Prime: No

Previous Prime: 8389

Next Prime: 8419

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 23 × 61

Divisors: 1, 2, 3, 6, 23, 46, 61, 69, 122, 138

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000011100010

Octal: 20342

Duodecimal: 4A56

Hexadecimal: 20e2

Square: 70862724

Square Root: 91.74965939991276

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

a(n) = n*(4·n-1). A33991

Number of necklaces with n beads of 3 colors, allowing turning over. A27671

Number of multiset partitions of integer partitions of n such that all blocks have odd size. A356932

Smallest value of·such that M(x) = n, where M() is Mertens's function A002321. A51400

3 times 13-gonal (or tridecagonal) numbers: a(n) = 3·n*(11·n - 9)/2. A153875

Numbers that are the sum of eight fourth powers in exactly five ways. A345837

a(n) = number of primes of the form x² + 1 <= 2ⁿ. A83847

Numbers which are the sums of consecutive fourth powers. A217844

Partial sums of ∑_k=1..n n/gcd(n,k), or partial sums of ∑_d∣n d*φ(d) (see A057660). A174405

Let p = n-th prime == 7 mod 8; a(n) = sum of quadratic residues mod p that are < p/2. A282039