Properties of the Number 31305

Thirty-One Thousand Three Hundred Five

Basics

Value: 31304 → 31305 → 31306

Parity: odd

Prime: No

Previous Prime: 31277

Next Prime: 31307

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 2087

Divisors: 1, 3, 5, 15, 2087, 6261, 10435, 31305

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 111101001001001

Octal: 75111

Duodecimal: 16149

Hexadecimal: 7a49

Square: 980003025

Square Root: 176.93219040072952

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

Numbers n for which there are exactly six k such that n = k + (product of nonzero digits of k). A96927

Number of partitions p of n such that the number of parts is a part or max(p) - min(p) is a part. A241386

Numbers whose set of base-13 digits is {1,3}. A32920

Number of length 2+3 0..n arrays with every four consecutive terms having the maximum of some two terms equal to the minimum of the remaining two terms. A249708

a(n) is the first occurrence of n in sequence A209266. A211389

Number of nX4 0..1 arrays with no element equal to more than three of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. A281161

Position of n-th 6 in A031298. A31305