Properties of the Number -50281

Fifty Thousand Two Hundred Eighty-One

Basics

Value: -50282 → -50281 → -50280

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 7 × 11 × 653

Divisors: 1, 7, 11, 77, 653, 4571, 7183, 50281

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100010001101001

Octal: -142151

Duodecimal: -25121

Hexadecimal: -c469

Square: 2528178961

Square Root: 224.23425251285764

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

Positive integers k such that k-th triangular number is palindromic. A8509

Numbers k such that the sum of the divisors of 2·k² is a square. A97023

Index of the smallest n-digit palindromic triangular number, or 0 if no such number exists. A68642

Row sums of the triangle A322550. A320043

Row sums of A371783 and A371954 (k-quanimous partitions). A372121

a(n)=sqrt(A145848(n)). A146991

Number of 5Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4. A241259

Counterexamples to a conjecture about integers representable as the quotient of two Cantor numbers (A005823). A339636

Number of nX7 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4. A241254