Properties of the Number 38455

Thirty-Eight Thousand Four Hundred Fifty-Five

Basics

Value: 38454 → 38455 → 38456

Parity: odd

Prime: No

Previous Prime: 38453

Next Prime: 38459

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 × 7691

Divisors: 1, 5, 7691, 38455

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001011000110111

Octal: 113067

Duodecimal: 1A307

Hexadecimal: 9637

Square: 1478787025

Square Root: 196.0994645581675

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 compositions (p0, p1, p2, ...) of n with π - p0 <= i and π >= p0. A177510

Expansion of ∏_m>=1 ((1+q^2·m-1)/(1+q^2·m))⁵. A29842

a(n) = (-1)ⁿ⁺¹*∑_k=0..n+1(-1)^k*binomial(2·k,k). A54108

a(n) = a(n-1) + a(n-2) + 2 a(ceiling(n/2)), where a(0) = 1, a(1) = 1, a(2) = 1. A298350

Expansion of x/((1-x)*sqrt(1+4·x²)). A104551

G.f. satisfies: A(x) = 1 + ∑_n>=1 xⁿ * A(x)^A026255(n). A193621

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 1), (1, -1, 1), (1, 0, 0), (1, 0, 1), (1, 1, -1)}. A150519

Triangle read by rows: T(n, k) = [x^k] x·Pochhammer(n + x, n)/(n + x). A38455

Indices of additive primes - primes with prime sum-of-digits, see A046704. A75177

Number of (n+1) X 4 0..2 arrays with every 2 X 3 or 3 X 2 subblock having an equal number of clockwise and counterclockwise edge increases. A206409