Properties of the Number -138634

One Hundred Thirty-Eight Thousand Six Hundred Thirty-Four

Basics

Value: -138635 → -138634 → -138633

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 69317

Divisors: 1, 2, 69317, 138634

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -100001110110001010

Octal: -416612

Duodecimal: -6828A

Hexadecimal: -21d8a

Square: 19219385956

Square Root: 372.335869880945

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

(1/p)*(M(p)-1) where p runs through the odd primes and M(p) = A001006(p) is the p-th Motzkin number. A86400

Number of ways to connect with nonintersecting chords n unlabeled points equally spaced on a circle such that the resulting configuration is not invariant w.r.t. rotation any angle < 2*π. A175955