Properties of the Number -5995

Nine Hundred Ninety-Five

Basics

Value: -5996 → -5995 → -5994

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: Yes

Factorization: 5 × 11 × 109

Divisors: 1, 5, 11, 55, 109, 545, 1199, 5995

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1011101101011

Octal: -13553

Duodecimal: -3577

Hexadecimal: -176b

Square: 35940025

Square Root: 77.42738533619743

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

Triangle formed by coefficients of the expansion of p(x,n) = (1+x-x²)ⁿ⁺¹*∑_{j >= 0} (2·j+1)ⁿ*(-x + x²)^j. A156918

Centered 9-gonal (also known as nonagonal or enneagonal) numbers. Every third triangular number, starting with a(1)=1. A60544

Triangular numbers (A000217) with prime indices. A34953

Palindromic triangular numbers. A3098

a(n) = (2·n+1)*(4·n+1). A14634

a(n) = n⁴ - (n-1)⁴ + (n-2)⁴ - ... 0⁴. A62392

Smallest multiple of 5 with digit sum n. A69534

Triangular numbers that contain exactly 2 different digits. A62691

Numbers that are palindromic and divisible by 5. A43040

a(n) is the smallest number of the form k + reverse(k) for exactly n integers k, or -1 if no such number exists. A72041