Properties of the Number -6915

Nine Hundred Fifteen

Basics

Value: -6916 → -6915 → -6914

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 461

Divisors: 1, 3, 5, 15, 461, 1383, 2305, 6915

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -1101100000011

Octal: -15403

Duodecimal: -4003

Hexadecimal: -1b03

Square: 47817225

Square Root: 83.15647900193947

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 T(n,k), n>=0, 0<=k<=2n, read by rows: row n gives the coefficients of the chromatic polynomial of the complete bipartite graph K_n,n, highest powers first. A212084

Multiples of 15 containing a 15 in their decimal representation. A121035

Number of ordered triples (i,j,k) with |i| + |j| + |k| <= n and gcd(i,j,k) <= 1. A100450

Number of 3-line partitions of n. A991

List of codewords in binary lexicode with Hamming distance 5 written as decimal numbers. A75931

T(n,k)=Number of (n+2)X(k+2) binary arrays with each 3X3 subblock having a positive determinant. A186063

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 or 1 and no antidiagonal sum 0 or 1 and no row sum 0 and no column sum 0. A254978

Number of ways to write n as an ordered sum of 5 prime powers (including 1). A341134

Numbers that are the sum of ten fourth powers in seven or more ways. A345600

Numbers that are the sum of ten fourth powers in exactly seven ways. A345859