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Properties of the Number 13123

Thirteen Thousand One Hundred Twenty-Three

Basics

Value: 13122 → 13123 → 13124

Parity: odd

Prime: No

Previous Prime: 13121

Next Prime: 13127

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 11 × 1193

Divisors: 1, 11, 1193, 13123

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11001101000011

Octal: 31503

Duodecimal: 7717

Hexadecimal: 3343

Square: 172213129

Square Root: 114.55566332573872

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 that are the sum of 7 positive 7th powers. A3374
Numbers that are the sum of 3 nonzero 8th powers. A3381
a(n) = 1 + 2·3n-1 with a(0)=2. A52919
Pierpont semiprimes: semiprimes of the form (2K)*(3L)+1. A113432
Numbers k such that k8 == 1 (mod 93). A56084
Number of layers of dough separated by butter in successive foldings of croissant dough. A100702
a(n) is the number of n-th order magic triangles. A342467
Number of distinct residues of xn (mod n4), x=0..n4-1. A365101
a(n) = number of partitions of n into an odd number of parts, the least being 2; also a(n+2) = number of partitions of n into an even number of parts, each >=2. A27188
a(n) = 81·n2 - 44·n + 6. A156676