Properties of the Number 31473

Thirty-One Thousand Four Hundred Seventy-Three

Basics

Value: 31472 → 31473 → 31474

Parity: odd

Prime: No

Previous Prime: 31469

Next Prime: 31477

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 13 × 269

Divisors: 1, 3, 9, 13, 39, 117, 269, 807, 2421, 3497

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111101011110001

Octal: 75361

Duodecimal: 16269

Hexadecimal: 7af1

Square: 990549729

Square Root: 177.40631330367023

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

Numerator of the cumulative frequency of the dropping time in the Collatz iteration. A186109

Size of the set of b for numbers of the form 2ⁿ*x + b that cannot be the smallest element of a set giving a duration of infinite flight in the Collatz problem. A182137

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 267", based on the 5-celled von Neumann neighborhood. A271085

Numbers whose base-5 representation has 3 more 0's than 4's. A31473

Square array A(n,k), n>=0, k>=0, read by antidiagonals downwards, where n 2-colored objects are distributed into k containers of two kinds. Containers may be left empty. A383353