Properties of the Number -42855

Forty-Two Thousand Eight Hundred Fifty-Five

Basics

Value: -42856 → -42855 → -42854

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 2857

Divisors: 1, 3, 5, 15, 2857, 8571, 14285, 42855

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -1010011101100111

Octal: -123547

Duodecimal: -20973

Hexadecimal: -a767

Square: 1836551025

Square Root: 207.01449224631594

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

Partial sums of A299266. A299267

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 69. A31747

a(n) = 1 + ∑_i=1..n S2(i)*2ⁱ, where S2(n) is digit sum of n, n in binary notation. A135570