Properties of the Number -20276

Twenty Thousand Two Hundred Seventy-Six

Basics

Value: -20277 → -20276 → -20275

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 37 × 137

Divisors: 1, 2, 4, 37, 74, 137, 148, 274, 548, 5069

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100111100110100

Octal: -47464

Duodecimal: -B898

Hexadecimal: -4f34

Square: 411116176

Square Root: 142.3938200906205

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

Absolute discriminants of complex quadratic fields with 3-class group of elementary abelian type (3,3) of rank 2. A242863

Absolute discriminants of complex quadratic fields with 3-class rank 2. A242862

Triangle T(n,k) giving the number of terms of A219666 which have n digits (A084558) in their factorial base expansion and whose most significant digit (A099563) in that base is k. A230420

Absolute discriminants of complex quadratic fields with 3-class group of type (3,3) and Hilbert 3-class field tower of exact length 2. A242864

Numbers k such that k·k! - 1 is prime. A90704

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 589", based on the 5-celled von Neumann neighborhood. A283173

Index of first occurrence of n-th prime in A001203, the continued fraction for π. A107892

Triangle A230420 transposed. A230421

Number of Sidon subsets of {1,...,n} of size 4. A241688

Absolute discriminants of complex quadratic fields with 3-class group of type (3,3) and 3-principalization type (4224). A247690