Properties of the Number 90308

Ninety Thousand Three Hundred Eight

Basics

Value: 90307 → 90308 → 90309

Parity: even

Prime: No

Previous Prime: 90289

Next Prime: 90313

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 107 × 211

Divisors: 1, 2, 4, 107, 211, 214, 422, 428, 844, 22577

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110000011000100

Octal: 260304

Duodecimal: 44318

Hexadecimal: 160c4

Square: 8155534864

Square Root: 300.5128948980393

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

Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the k-th Euler transform of the sequence with g.f. 1+x. A290353

a(n) = binomial(2·n+1,n)*(n+1)². A2544

Number of 4-level rooted trees with n leaves. A7713

a(n) = 19·a(n-1) + a(n-2), starting with a(0) = 2 and a(1) = 19. A90308

Number of 5-level rooted trees with n leaves. A7714

a(n) is the n-th term of the n-th Euler transform of the sequence with g.f. 1+x. A290354

The sixth Euler transform of the sequence with g.f. 1+x. A290355

The seventh Euler transform of the sequence with g.f. 1+x. A290356

The eighth Euler transform of the sequence with g.f. 1+x. A290357

The ninth Euler transform of the sequence with g.f. 1+x. A290358