Properties of the Number -995

Nine Hundred Ninety-Five

Basics

Value: -996 → -995 → -994

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 5 × 199

Divisors: 1, 5, 199, 995

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: -1111100011

Octal: -1743

Duodecimal: -6AB

Hexadecimal: -3e3

Square: 990025

Square Root: 31.54362059117501

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

n minus the Heinz number of the conjugate of the integer partition with Heinz number n. A352491

a(n) = -10·a(n-1) - 5·a(n-2) with a(0) = 1, a(1) = -11. A99839

Values of n such that L(4) and N(4) are both prime, where L(k) = (n²+n+1)*2^2·k + (2·n+1)*2^k + 1, N(k) = (n²+n+1)*2^k + n. A226924

Toothpick sequence (see Comments lines for definition). A139250

a(n) is the least k such that 4^k mod k = n. A119678

Number of integer partitions of n such that every distinct submultiset has a different average. A316313

Numbers m such that the Bernoulli number B_2·m has denominator 66. A51229

Numbers n such that the number of squarefree numbers between prime(n) and prime(n+1) = prime(n+1)-prime(n)-1. A68361

Indices n of ("bad") Gram points g(n) for which (-1)ⁿ Z(g(n)) < 0, where Z(t) is the Riemann-Siegel Z-function. A114856

Numbers k whose largest divisor <= sqrt(k) is 5. A161835