Properties of the Number 20452

Twenty Thousand Four Hundred Fifty-Two

Basics

Value: 20451 → 20452 → 20453

Parity: even

Prime: No

Previous Prime: 20443

Next Prime: 20477

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 5113

Divisors: 1, 2, 4, 5113, 10226, 20452

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100111111100100

Octal: 47744

Duodecimal: BA04

Hexadecimal: 4fe4

Square: 418284304

Square Root: 143.01048912579805

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

Numbers that are the sum of 7 nonzero 8th powers. A3385

Numbers k such that there is 1 prime between 100·k and 100·k + 99. A186393

Let (u1,u2) be successive untouchable numbers such that φ(u1) = φ(u2); sequence gives values of u1. A48189

a(n) = 5·2ⁿ - 2·n - 4. A97809

Square excess of Fibonacci numbers. A190993

Monotonic ordering of set S generated by these rules: if·and y are in S then x²+y²-xy is in S, and 2 is in S. A192533

Number of regions in a regular n-gon with all diagonals drawn whose edges all have the same number of facing edges. A351129

Irregular triangle read by rows: T(n,k) (0 <= k <= n²) are coefficients of cluster density function for site percolation on an n X n 2D nnsquare lattice with open boundary conditions. A365947

Number of primitive (period n) step cyclic shifted sequence structures using exactly three different symbols. A56445

Primes that contain digits 1 and 4 only. A20452