Properties of the Number 31449

Thirty-One Thousand Four Hundred Forty-Nine

Basics

Value: 31448 → 31449 → 31450

Parity: odd

Prime: No

Previous Prime: 31397

Next Prime: 31469

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 11 × 953

Divisors: 1, 3, 11, 33, 953, 2859, 10483, 31449

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 111101011011001

Octal: 75331

Duodecimal: 16249

Hexadecimal: 7ad9

Square: 989039601

Square Root: 177.33865906789754

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

Level of the n-th plateau of the column k of the square array A195825, when k -> infinity. A210843

T(n,k)=Number of length n+5 0..k arrays with some three disjoint pairs in each consecutive six terms having the same sum. A248489

Triangle read by rows: T(n,k), n>=1, k>=1, in which column k lists the numbers of A210843 multiplied by A000330(k), and the first element of column k is in row A000217(k). A249120

G.f.: ∏_m>0 1/(1 - x^m + 2!*x^2·m). A293294

Where record values occur in A276781, when starting from A276781(2)=1. A276782

Indices of primes in sequence defined by A(0) = 61, A(n) = 10·A(n-1) + 41 for n > 0. A101531

Number of length 1+5 0..n arrays with some three disjoint pairs in each consecutive six terms having the same sum. A248490

G.f. A(x) satisfies A(x³) = A(x)³/(1 + 3·A(x)). A386659

Maximal size of an error-correcting code of length n and minimal distance 3 over an alphabet of size 4. A265032

Number of ballot sequences of length n with exactly 7 fixed points. A239118