Properties of the Number -65815

Sixty-Five Thousand Eight Hundred Fifteen

Basics

Value: -65816 → -65815 → -65814

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 × 13163

Divisors: 1, 5, 13163, 65815

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -10000000100010111

Octal: -200427

Duodecimal: -32107

Hexadecimal: -10117

Square: 4331614225

Square Root: 256.54434314558563

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

Stern-Jacobsthal numbers. A101624

Multiplies by 2 and shifts right under the XOR BINOMIAL transform (A099901). A99902

a(n) = ∑_d∣n rad(d)^n/d, where rad(d) = A007947(d) is the squarefree kernel of d. A95001

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 817", based on the 5-celled von Neumann neighborhood. A273648

Smallest Boolean functions from big equivalence classes representing monotone functions (subsequence of A227723). A349743

Triangle read by rows: T(n,k) is the number of strong subtrees of height k in the complete binary tree of height n. A374839