Properties of the Number 13120

Thirteen Thousand One Hundred Twenty

Basics

Value: 13119 → 13120 → 13121

Parity: even

Prime: No

Previous Prime: 13109

Next Prime: 13121

Digit Sum: 7

Digital Root: 7

Palindrome: No

Factorization: 2 ⁶ × 5 × 41

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11001101000000

Octal: 31500

Duodecimal: 7714

Hexadecimal: 3340

Square: 172134400

Square Root: 114.54256850621083

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

Number of integer partitions of n of which every permutation has a consecutive monotone triple, i.e., a triple (..., x, y, z, ...) such that either x <= y <= z or x >= y >= z. A344654

Number of integer partitions of n without an alternating permutation. A345165

Total number of possible knight moves on an (n+2) X (n+2) chessboard, if the knight is placed anywhere. A35008

Number of ways of writing n as a sum of 6 squares. A141

a(n) = n*(n+1)*(n+8)/6. A6503

a(n) = 2*(3ⁿ - 1). A100774

Record highest point of trajectory before reaching 1 in '3x+1' problem, corresponding to starting values in A006884. A6885

LCM of terms in periodic part of continued fraction expansion of square root of -1+3ⁿ. A77635

Products of the 6th power of a prime and 2 distinct primes (p⁶*q·r). A179672

Number of genus 5, degree n, simply ramified covers of an elliptic curve. A170994