Properties of the Number 12995

Twelve Thousand Nine Hundred Ninety-Five

Basics

Value: 12994 → 12995 → 12996

Parity: odd

Prime: No

Previous Prime: 12983

Next Prime: 13001

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 5 × 23 × 113

Divisors: 1, 5, 23, 113, 115, 565, 2599, 12995

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11001011000011

Octal: 31303

Duodecimal: 762B

Hexadecimal: 32c3

Square: 168870025

Square Root: 113.99561395071304

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

a(n) = (4·n+1)*(4·n+3). A1539

Number of strict compositions of n with all adjacent parts (x, y) satisfying x < 2y and y < 2x. A342341

a(n) = 36n² - 1. A136017

a(n) = a(n-2) + a(n-3) + a(n-4) + a(n-5) + a(n-6) + a(n-7). A107479

a(n) = 9·n²-1. A136016

Number of partitions of n such that the number of odd parts is a part and the number of even parts is not a part. A240578

The Wiener index of the windmill graph D(6,n). The windmill graph D(m,n) is the graph obtained by taking n copies of the complete graph K_m with a vertex in common (i.e., a bouquet of n pieces of K_m graphs). A180577

After a(0)=0, numbers n such that (A002828(1+n) = 1) and (A002828(4+n) = 4). A278491

Expansion of 1/(1-x²-x³-x⁴-x⁵-x⁶-x⁷). A13984

a(0) = 2, a(1) = 5, a(n) = 4·a(n-1) - a(n-2). A144721