Properties of the Number -138193

One Hundred Thirty-Eight Thousand One Hundred Ninety-Three

Basics

Value: -138194 → -138193 → -138192

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 11 × 17 × 739

Divisors: 1, 11, 17, 187, 739, 8129, 12563, 138193

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

375 Try Today's Challenge

Representations

Binary: -100001101111010001

Octal: -415721

Duodecimal: -67B81

Hexadecimal: -21bd1

Square: 19097305249

Square Root: 371.74319092620914

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

25-gonal pyramidal numbers: a(n) = n*(n+1)*(23·n-20)/6. A256645

Composites in base 10 that remain composite in exactly four bases b, 2 <= b <= 10, expansions interpreted as decimal numbers. A256354

Let p = n-th prime == 3 mod 8; a(n) = sum of quadratic nonresidues mod p . A282726