Properties of the Number 12700

Twelve Thousand Seven Hundred

Basics

Value: 12699 → 12700 → 12701

Parity: even

Prime: No

Previous Prime: 12697

Next Prime: 12703

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 5 ² × 127

Divisors: 1, 2, 4, 5, 10, 20, 25, 50, 100, 127

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000110011100

Octal: 30634

Duodecimal: 7424

Hexadecimal: 319c

Square: 161290000

Square Root: 112.69427669584645

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) is the starting position of the first occurrence of a string of at least n 1's in the decimal expansion of π. A35117

Index of first occurrence of exactly n consecutive '1's in a row in the decimal expansion of π. A96755

Triangle read by rows: cube of the lower triangular mean matrix. A27447

a(n) = n*(n+1)*(5·n+7)/6. A162148

a(n) = floor( γ(n+5/8)/γ(5/8) ). A20071

Numbers n such that Maple 9.5, Maple 10, Maple 11 and Maple 12 give the wrong answers for the number of partitions of n. A110375

G.f. A(x) satisfies: A(x) = 1 + x + x³ * A(x)² / (1 - x). A346504

Number of 2 X 2 matrices having all elements in {-n,...n} and determinant 2. A209984

a(n) = 836·2ⁿ - 676. A305272

Number of partitions p of n such that exactly one number is in both p and its conjugate. A240675