Properties of the Number -172724

One Hundred Seventy-Two Thousand Seven Hundred Twenty-Four

Basics

Value: -172725 → -172724 → -172723

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 29 × 1489

Divisors: 1, 2, 4, 29, 58, 116, 1489, 2978, 5956, 43181

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -101010001010110100

Octal: -521264

Duodecimal: -83B58

Hexadecimal: -2a2b4

Square: 29833580176

Square Root: 415.60076997041284

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 T(n,k) of tilings of a 5 X n rectangle with pentominoes of any shape and exactly k pentominoes of shape P; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A247706

a(n) = (A084218(n) - 1)/12. A373040