Properties of the Number -405449

Four Hundred Five Thousand Four Hundred Forty-Nine

Basics

Value: -405450 → -405449 → -405448

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 11 × 29 × 31 × 41

Divisors: 1, 11, 29, 31, 41, 319, 341, 451, 899, 1189

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -1100010111111001001

Octal: -1427711

Duodecimal: -176775

Hexadecimal: -62fc9

Square: 164388891601

Square Root: 636.7487730651706

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(1)=1, a(n)=a(n-1)+n¹ if n odd, a(n)=a(n-1)+ n⁴ if n is even. A140146

Numbers k such that σ(k)/φ(k) = 36/25. A164649

Numbers such that the sum of the squares of the largest and the smallest prime divisor equals the sum of the squares of the other distinct prime divisors. A199857