Properties of the Number 43940

Forty-Three Thousand Nine Hundred Forty

Basics

Value: 43939 → 43940 → 43941

Parity: even

Prime: No

Previous Prime: 43933

Next Prime: 43943

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 5 × 13 ³

Divisors: 1, 2, 4, 5, 10, 13, 20, 26, 52, 65

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010101110100100

Octal: 125644

Duodecimal: 21518

Hexadecimal: aba4

Square: 1930723600

Square Root: 209.61870145576228

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

Heinz numbers of integer partitions with the same number of even parts, odd parts, even conjugate parts, and odd conjugate parts. A350947

Rhonda numbers in sexagesimal number system. A255731

T(n,k)=Number of length n+2 0..k arrays with no three consecutive terms having the sum of any two elements equal to twice the third. A248461

Prime partial sums A007504(k+1) such that A007504(k+1)/k is an integer. A134129

Triangle read by rows: T(i,j) is the number of i-permutations of 14 objects a,b,c,d,e,f,g,h,i,j,k,l,m,n, with repetition allowed, containing j a's. A133371

Sum of first prime(n) primes. A22094

Triangle of coefficients of certain numerator polynomials N(n,x). A64307

Triangle of coefficients in expansion of (1+13x)ⁿ. A123187

a(n) = 65·n². A165798

Totally multiplicative sequence with a(p) = 7p-1 for prime p. A166656