Properties of the Number -28679

Twenty-Eight Thousand Six Hundred Seventy-Nine

Basics

Value: -28680 → -28679 → -28678

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 7 × 17 × 241

Divisors: 1, 7, 17, 119, 241, 1687, 4097, 28679

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -111000000000111

Octal: -70007

Duodecimal: -1471B

Hexadecimal: -7007

Square: 822485041

Square Root: 169.34875257881293

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

Palindromic numbers in bases 2 and 8 written in base 10. A259380

Numbers k such that 2^k+1 == 1 (mod k). A187787

a(n) = n + Fibonacci(n+1). A81659

Number of partitions of n such that 2*(greatest part) <= (number of parts). A237752

Nonnegative values·of solutions (x, y) to the Diophantine equation x²+(x+241)² = y². A129991

Dirichlet convolution of Fibonacci numbers with φ(n). A34748

Family 1 "Rule 90·Rule 150 Array" read by antidiagonals. A48710

Numbers whose set of base 8 digits is {0,7}. A97254

a(n) is the number whose binary representation is A138145(n). A147596

a(n) is the number whose binary representation is A138146(n). A147597