Properties of the Number -3115

One Hundred Fifteen

Basics

Value: -3116 → -3115 → -3114

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 5 × 7 × 89

Divisors: 1, 5, 7, 35, 89, 445, 623, 3115

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110000101011

Octal: -6053

Duodecimal: -1977

Hexadecimal: -c2b

Square: 9703225

Square Root: 55.812185049503306

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

Column 0 of triangle A118438. A118439

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 213", based on the 5-celled von Neumann neighborhood. A270904

Second heptagonal numbers: a(n) = n*(5·n+3)/2. A147875

Number of perfect powers (A001597) < 2ⁿ. A188951

Describe the previous term! (method A - initial term is 5). A1141

T(n,k)=Number of nXk 0..1 arrays with diagonals and antidiagonals unimodal and rows nondecreasing. A223949

T(n,k)=Number of nXk 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of the elements above it or zero plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4. A240046

Sum of the fifth largest parts of the partitions of n into 10 squarefree parts. A326633

Numbers k such that 9·2^k - 1 is prime. A2236

Numbers which converge to 3 under repeated application of the powertrain map of A133500. A326736