Properties of the Number -15515

Fifteen Thousand Five Hundred Fifteen

Basics

Value: -15516 → -15515 → -15514

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 × 29 × 107

Divisors: 1, 5, 29, 107, 145, 535, 3103, 15515

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11110010011011

Octal: -36233

Duodecimal: -8B8B

Hexadecimal: -3c9b

Square: 240715225

Square Root: 124.55922286205868

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

Numbers using only digits 1 and 5. A276037

Convolution of Fibonacci numbers and A000201. A23611

a(1) = 1; a(n) = (2ⁿ - 1)*((3ⁿ - 1)/(2ⁿ - 1) mod 1), n >= 2. Unreduced numerators of fractional parts of (3ⁿ - 1)/(2ⁿ - 1). A297446

Closed 3-dimensional ball numbers (version 1): a(n)= number of integer points (i,j,k) contained in a closed ball of diameter n, centered at (0,0,0). A53591

Open 3-dimensional ball numbers (version 1): a(n) is the number of integer points (i,j,k) contained in an open ball of diameter n, centered at (0,0,0). A53592