Properties of the Number -122809

One Hundred Twenty-Two Thousand Eight Hundred Nine

Basics

Value: -122810 → -122809 → -122808

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 127 × 967

Divisors: 1, 127, 967, 122809

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -11101111110111001

Octal: -357671

Duodecimal: -5B0A1

Hexadecimal: -1dfb9

Square: 15082050481

Square Root: 350.44115055170107

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

a(n) = ∑_{k=0..floor(n/2)} T(n-k,k), T given by A026769. A26779

Parent nodes of nonzero terms of A262509: a(n) = A049820(A262509(n)). A262510

Base 7 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,2. A37500