Properties of the Number 50389

Fifty Thousand Three Hundred Eighty-Nine

Basics

Value: 50388 → 50389 → 50390

Parity: odd

Prime: No

Previous Prime: 50387

Next Prime: 50411

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 41 × 1229

Divisors: 1, 41, 1229, 50389

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1100010011010101

Octal: 142325

Duodecimal: 251B1

Hexadecimal: c4d5

Square: 2539051321

Square Root: 224.47494292236718

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

Integers k for which {prime(1), prime(2), ..., prime(k)} (mod 4) is biased towards 1. A96628

a(n) = ∑_i=1..n i^{n - i} + (-1)^{n - i}*(n - i)ⁱ. A62812

Expansion of ∑_k>=0 (x/(1 - x))^k³. A280351

Number of rooted identity trees with n nodes and exactly 4 subtrees from the root. A227808

a(n) = ∑_{k=0..floor(4·n/11)} binomial(k,4·n-11·k). A389717

Number of 3 X n 0..1 arrays with rows nondecreasing and antidiagonals unimodal. A224134

Numbers n such that 2·n*k(n) is rational but not an integer, where k(n) is sum of successive remainders when computing the Euclidean algorithm for (1, 1/sqrt(n)) as defined in A086378 (MuPAD program is given there); numbers belonging to A086378 but not to A088900. A87414

Reversion of divisor function A000005. A50389