Properties of the Number -1082809

Eighty-Two Thousand Eight Hundred Nine

Basics

Value: -1082810 → -1082809 → -1082808

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 7 × 13 × 73 × 163

Divisors: 1, 7, 13, 73, 91, 163, 511, 949, 1141, 2119

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

375 Try Today's Challenge

Representations

Binary: -100001000010110111001

Octal: -4102671

Duodecimal: -442761

Hexadecimal: -1085b9

Square: 1172475330481

Square Root: 1040.5810876620812

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

Carmichael numbers with exactly 4 prime factors. A74379

Carmichael numbers with more than 3 prime factors. A141711

Carmichael numbers ending in 9. A352970

Carmichael numbers (A002997) that are not absolute Euler pseudoprimes (A033181). A262043

Carmichael numbers m such that A309132(m) < m. A309268

Carmichael numbers k for which A053575(k) [the odd part of φ] does not divide k-1. A340092

Carmichael numbers divisible by 7. A182208

Carmichael numbers that are the sum of 2 positive cubes. A379656

Carmichael numbers of the form C = p*(2p-1)*(n*(2p-2)+p), where p and 2p-1 are prime numbers. A182207