Properties of the Number 31028

Thirty-One Thousand Twenty-Eight

Basics

Value: 31027 → 31028 → 31029

Parity: even

Prime: No

Previous Prime: 31019

Next Prime: 31033

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 7757

Divisors: 1, 2, 4, 7757, 15514, 31028

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111100100110100

Octal: 74464

Duodecimal: 15B58

Hexadecimal: 7934

Square: 962736784

Square Root: 176.14766532656628

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

Sum of the largest two parts in the partitions of 4n into 4 parts with smallest part equal to 1. A239186

Number of rooted ordered trees with node weights summing to n, where the root has weight 0, non-root node weights are greater than 0, and no nodes have the same weight as their parent node. A384748

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 147", based on the 5-celled von Neumann neighborhood. A270292

Position of n-th 0 in A031027. A31028