Properties of the Number 10987

Ten Thousand Nine Hundred Eighty-Seven

Basics

Value: 10986 → 10987 → 10988

Parity: odd

Prime: Yes

Previous Prime: 10979

Next Prime: 10993

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 10987

Divisors: 1, 10987

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101011101011

Octal: 25353

Duodecimal: 6437

Hexadecimal: 2aeb

Square: 120714169

Square Root: 104.81889142707053

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

Primes whose decimal expansion is a concatenation of two or more consecutive decreasing numbers (no leading zeros allowed). A52088

a(1)=0, and a(n+1) is the position of first occurrence of a(n) in the decimal expansion of 1/π. A98319

Primes that are the first in a run of exactly 3 emirps. A346023

Irregular table read by rows: T(n,k) is the number of k-gons, k>=2, among all distinct circles that can be constructed from a 2·n square grid of points using only a compass. A359862

Primes with consecutive digits descending. A120804

Prime concatenated analog clock numbers read counterclockwise. A36343

Discriminants of imaginary quadratic fields with class number 11 (negated). A46008

Primes in which neighboring digits differ at most by 1. A68148

Group the natural numbers such that the n-th group contains n terms and the group sum is the smallest possible prime: (2), (1, 4), (3, 5, 9), (6, 7, 8, 10), (11, 12, 13, 14, 17), (15, 16, 18, 19, 20, 21), ... Sequence gives group sums. A75345

Values of A134204(n) for n in A133242. A133243