Properties of the Number -474721

Four Hundred Seventy-Four Thousand Seven Hundred Twenty-One

Basics

Value: -474722 → -474721 → -474720

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 13 ² × 53 ²

Divisors: 1, 13, 53, 169, 689, 2809, 8957, 36517, 474721

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -1110011111001100001

Octal: -1637141

Duodecimal: -1AA881

Hexadecimal: -73e61

Square: 225360027841

Square Root: 689

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

T(n,k)=Number of nXk 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, diagonally or antidiagonally. A232149

Odd squares in which parity of digits alternates. A30156

a(n) is the start of the first occurrence of n consecutive perfect powers, all of which are squares with exponents equal to 2 (A111245). A340661

Indices of 9-gonal numbers that are also square. A48910

Let k be the least integer such that n² + ∑_m=1..k m² is a perfect square, then a(n) is the resulting square. A65611

Number of 2 X n 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, diagonally or antidiagonally. A232150

(Terms in A014738)/4. A51515

Squares with property that digits alternate in parity individually as well as in concatenation with previous terms. A68888