Properties of the Number -42049

Forty-Two Thousand Forty-Nine

Basics

Value: -42050 → -42049 → -42048

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 7 × 6007

Divisors: 1, 7, 6007, 42049

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -1010010001000001

Octal: -122101

Duodecimal: -20401

Hexadecimal: -a441

Square: 1768118401

Square Root: 205.0585282303567

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 closed knight's tours in the first 2n cells of a 5 X ceiling(2n/5) board. A383661

Number of n-dimensional partitions of 5. A8779

a(n) = 648·n² + 72·n + 1. A154515

a(n) = 10368·n² + 288·n + 1. A157326

a(n) = 128n² + 2336n + 10657. A157433

Centered octachoral numbers. A365206

Numerators of continued fraction convergents to sqrt(146). A41266

Numerators of continued fraction convergents to sqrt(584). A42118

a(n) = 128·n² + 32·n + 1. A157337

a(n) = 50·n² - 1. A157919