Properties of the Number 43127

Forty-Three Thousand One Hundred Twenty-Seven

Basics

Value: 43126 → 43127 → 43128

Parity: odd

Prime: No

Previous Prime: 43117

Next Prime: 43133

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 7 × 61 × 101

Divisors: 1, 7, 61, 101, 427, 707, 6161, 43127

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010100001110111

Octal: 124167

Duodecimal: 20B5B

Hexadecimal: a877

Square: 1859938129

Square Root: 207.67041195124548

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

Triangle read by rows: T(n,k) is the number of permutations of n elements with k the (smallest) header (first element) of the longest descending subsequence. A224652

Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 225", based on the 5-celled von Neumann neighborhood. A279991

Least multiple of 2n-1 ending in prime(n), 0 if no such number exists. A114780

From descending subsequences of permutations. A6219

Numbers k such that 2 and 5 occur juxtaposed in the base-6 representation of k but not of k-1. A43127