Properties of the Number -42271

Forty-Two Thousand Two Hundred Seventy-One

Basics

Value: -42272 → -42271 → -42270

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 41 × 1031

Divisors: 1, 41, 1031, 42271

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -1010010100011111

Octal: -122437

Duodecimal: -20567

Hexadecimal: -a51f

Square: 1786837441

Square Root: 205.59912451175467

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

Genocchi numbers of second kind (A005439) divided by 2^n-1. A366

Triangle T(n,k), 0<=k<=n, read by rows, given by (0, 1, 1, 3, 3, 6, 6, 10, 10, 15, ...) δ (1, 0, 2, 0, 3, 0, 4, 0, 5, ...) where δ is the operator defined in A084938. A211183

Triangle of numbers associated with Genocchi numbers. A14784

n times n+9 gives the concatenation of two numbers m and m+8. A116347

Sorted entries in triangle in A014784. A35003

Number of (n+1) X 5 0..3 arrays with every 2 X 2 subblock having nonzero determinant and commuting with every horizontal or vertical neighbor. A206339

Triangle arising in connection with deformations of type D Kleinian singularities. A108959

Numerators of the inverse binomial transform of (-1 followed by A164555(n+1)/A027642(n+1)). A244237

Regular triangle T(n,k) of Dellac configurations with boundaries, n>=1 and k>=0. A343198