Properties of the Number -318801

Three Hundred Eighteen Thousand Eight Hundred One

Basics

Value: -318802 → -318801 → -318800

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 17 × 19 × 47

Divisors: 1, 3, 7, 17, 19, 21, 47, 51, 57, 119

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

375 Try Today's Challenge

Representations

Binary: -1001101110101010001

Octal: -1156521

Duodecimal: -1345A9

Hexadecimal: -4dd51

Square: 101634077601

Square Root: 564.6246540844635

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

Triangular numbers that are 1/5 of a triangular number. A77260

a(n) = larger member of n-th pair of distinct, positive, triangular numbers whose sum and difference are also triangular numbers. A185128

a(n) = (n²-1)*(2·n²-1). A33595

Expansion of 1/((x-1)*(x+1)*(x²+x+1)*(x²+x-1)*(x²-x+1)*(x²+1)*(x⁴-x²+1)). A109609