Properties of the Number -351142

Three Hundred Fifty-One Thousand One Hundred Forty-Two

Basics

Value: -351143 → -351142 → -351141

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 11 ² × 1451

Divisors: 1, 2, 11, 22, 121, 242, 1451, 2902, 15961, 31922

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

375 Try Today's Challenge

Representations

Binary: -1010101101110100110

Octal: -1255646

Duodecimal: -14B25A

Hexadecimal: -55ba6

Square: 123300704164

Square Root: 592.5723584508478

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) = n²*(3·n² - 1)/2. A260810

a(n) = ∑_{1 <= x₁, x₂, x₃ <= n} σ( n/gcd(x₁, x₂, x₃, n) ). A373130

a(n) = ∑_{1 <= x₁, x₂ <= n} σ( ( n/gcd(x₁, x₂, n) )² ). A373132

Pentagonal numbers (A000326) that are the product of 2 palindromes greater than 1. A115745