Properties of the Number -140438

One Hundred Forty Thousand Four Hundred Thirty-Eight

Basics

Value: -140439 → -140438 → -140437

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 23 × 43 × 71

Divisors: 1, 2, 23, 43, 46, 71, 86, 142, 989, 1633

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

375 Try Today's Challenge

Representations

Binary: -100010010010010110

Octal: -422226

Duodecimal: -69332

Hexadecimal: -22496

Square: 19722831844

Square Root: 374.75058372202705

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

G.f. A(x) satisfies: A(x) = 1 + ∑_k>=1 k·x^k*A(x)^k/(1 + x^k). A307400

Number of ordered pairs of length-n mutually overlapping binary strings. A295863