Properties of the Number -668168

Six Hundred Sixty-Eight Thousand One Hundred Sixty-Eight

Basics

Value: -668169 → -668168 → -668167

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 17 ⁴

Divisors: 1, 2, 4, 8, 17, 34, 68, 136, 289, 578

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -10100011001000001000

Octal: -2431010

Duodecimal: -282808

Hexadecimal: -a3208

Square: 446448476224

Square Root: 817.415439051649

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

Products of the 4th power of a prime and a distinct prime of power 3 (p⁴*q³). A179666

a(n) = ceiling((n+1)⁴/2). A171714

Number of 2 X 2 matrices with all terms in {0,1,...,n} and even trace. A210378

Number of 2 X 2 matrices with all terms in {0,1,...,n} and odd trace. A210379

Number of compositions of odd natural numbers into 4 parts <= n. A191903

Square array A(n, k) read by antidiagonals downwards: multiplicative order of 2 modulo prime(n)^k, where k runs over the positive integers. A282902

Triangle read by rows: T(n,m) = Prime[m]ⁿ*(Prime[m] - 1)/2. A121057

a(n) = (prime(n)⁵ - prime(n)⁴)/2. A138439

Numbers k such that k³ is the sum of two nonzero 4th powers. A291849