Properties of the Number -129795

One Hundred Twenty-Nine Thousand Seven Hundred Ninety-Five

Basics

Value: -129796 → -129795 → -129794

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 17 × 509

Divisors: 1, 3, 5, 15, 17, 51, 85, 255, 509, 1527

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11111101100000011

Octal: -375403

Duodecimal: -63143

Hexadecimal: -1fb03

Square: 16846742025

Square Root: 360.2707315339396

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 whose sum of aliquot divisors is also a triangular number. A83675

Triangular numbers T from A000217 such that (4·T+1)/13 is prime. A208294

a(n) = 1·3*5 + 3·5*7 + 5·7*9 + ... (n terms). A196506

Triangular numbers such that the binary representation is of the form either Tbt or Tt, where T and t are binary representations of triangular numbers with equal binary length, and b is a binary digit: b = 1 or 0. A226736