Properties of the Number 1351

One Thousand Three Hundred Fifty-One

Basics

Value: 1350 → 1351 → 1352

Parity: odd

Prime: No

Previous Prime: 1327

Next Prime: 1361

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 7 × 193

Divisors: 1, 7, 193, 1351

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101000111

Octal: 2507

Duodecimal: 947

Hexadecimal: 547

Square: 1825201

Square Root: 36.75595189897821

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(0) = 1, a(1) = 2, a(n) = 4·a(n-1) - a(n-2). A1075

a(n) = 2·n² - 1. A56220

Cake numbers: maximal number of pieces resulting from n planar cuts through a cube (or cake): C(n+1,3) + n + 1. A125

Number of monotone Boolean functions of n variables with 2 mincuts. Also number of Sperner systems with 2 blocks. A16269

Write 1,2,... in a clockwise spiral; sequence gives numbers on positive·axis. A33951

a(n) = n + floor(n²/2). A74148

a(2·n) = a(2·n-1) + a(2·n-2), a(2·n+1) = 2·a(2·n) + a(2·n-1); a(0) = a(1) = 1. A2531

Triangle read by rows: 2-Stirling numbers of the second kind. A143494

a(n) = (1 + a(n-1)*a(n-2))/a(n-3), a(0) = a(1) = a(2) = 1. A5246

Number of integer partitions of n whose first differences (assuming the last part is zero) are unimodal. A332283