Properties of the Number -130509

One Hundred Thirty Thousand Five Hundred Nine

Basics

Value: -130510 → -130509 → -130508

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 17 × 853

Divisors: 1, 3, 9, 17, 51, 153, 853, 2559, 7677, 14501

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11111110111001101

Octal: -376715

Duodecimal: -63639

Hexadecimal: -1fdcd

Square: 17032599081

Square Root: 361.26029397098154

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

a(n) = (Sum{k=0..n-1} a(k)) - a(n-3), with a(0)=0, a(1)=0, a(2)=1. A49856

Number of strict partitions of 2n having an ordering of the parts in which no two neighboring parts have the same parity. A239882

a(n) is the number of length-n ballot sequences whose reversals are also ballot sequences. A338418