Properties of the Number -42549

Forty-Two Thousand Five Hundred Forty-Nine

Basics

Value: -42550 → -42549 → -42548

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 13 × 1091

Divisors: 1, 3, 13, 39, 1091, 3273, 14183, 42549

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010011000110101

Octal: -123065

Duodecimal: -20759

Hexadecimal: -a635

Square: 1810417401

Square Root: 206.27408950229304

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

Triangle T(n,m) read by rows: T(n,m) = ( Eulerian(n,m) - Binomial(n,m)² )/2, n >= 4, 2 <= m = <= n-1. A154353

Binomial transform of A000013. A54196

Least k such that A359247(k) = n, or 0 if no such k exists. A359657