Properties of the Number 31443

Thirty-One Thousand Four Hundred Forty-Three

Basics

Value: 31442 → 31443 → 31444

Parity: odd

Prime: No

Previous Prime: 31397

Next Prime: 31469

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 47 × 223

Divisors: 1, 3, 47, 141, 223, 669, 10481, 31443

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111101011010011

Octal: 75323

Duodecimal: 16243

Hexadecimal: 7ad3

Square: 988662249

Square Root: 177.32174147577052

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) number of arrangements of non-attacking rooks on an n X n right triangular board where the top rook is in row k (n >= 0, 1 <= k <= n+1). A259691

Triangle read by rows: T(n,k) is the number of unlabeled nonseparable (or 2-connected) loopless multigraphs with n edges on k nodes and degree >= 3 at each node, n >= 3, 2 <= k <= floor(2·n/3). A46752

Dirichlet convolution of Fibonacci numbers with A349452 (Dirichlet inverse of A011782, 2^n-1). A349565

Arithmetic derivative of n-th partition number. A96371

Floor(1/{(5+n⁴)^1/4}), where {}=fractional part. A184629

Digitally balanced numbers: positive numbers that in base 2 have the same number of 0's as 1's. A31443