Properties of the Number 50215

Fifty Thousand Two Hundred Fifteen

Basics

Value: 50214 → 50215 → 50216

Parity: odd

Prime: No

Previous Prime: 50207

Next Prime: 50221

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 5 × 11 ² × 83

Divisors: 1, 5, 11, 55, 83, 121, 415, 605, 913, 4565

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100010000100111

Octal: 142047

Duodecimal: 25087

Hexadecimal: c427

Square: 2521546225

Square Root: 224.08703666209698

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 semistandard rectangular plane partitions of n. A323432

Irregular triangle read by rows: T(n,k) is the number of n X n tic-tac-toe positions (up to rotation and reflection) with k tokens (i.e., after k plays) which occur in a game (n > 0, 0 <= k <= n²). A317575

Numbers k such that 7·2^k - 3 is prime. A58593

a(n) is the smallest positive integer which can be represented as the sum of distinct nonzero dodecahedral numbers in exactly n ways, or -1 if no such integer exists. A360216

For any number n whose set of nonzero decimal digits is { d₀, ..., d_k } (with d₀ < ... < d_k), a(n) is obtained by replacing in the decimal representation of n each nonzero digit d_m by d_k-m for m = 0..k. A336956

Starting positions of strings of 2 2's in the decimal expansion of π. A50215