Properties of the Number 10087

Ten Thousand Eighty-Seven

Basics

Value: 10086 → 10087 → 10088

Parity: odd

Prime: No

Previous Prime: 10079

Next Prime: 10091

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 7 × 11 × 131

Divisors: 1, 7, 11, 77, 131, 917, 1441, 10087

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10011101100111

Octal: 23547

Duodecimal: 5A07

Hexadecimal: 2767

Square: 101747569

Square Root: 100.43405796840034

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 partitions of n that do not contain 1 as a part. A2865

Number of partitions of n that do not contain parts less than the smallest part of the partitions of n-1. A187219

Number of distinct values taken by 2²^...² (with n 2's and parentheses inserted in all possible ways). A2845

In the '3x+1' problem, these values for the starting value set new records for the "dropping time", number of steps to reach a lower value than the start. A60412

Bisection (odd part) of number of partitions that do not contain 1 as a part A002865. A182747

Starts of runs of 4 consecutive Gray-code Niven numbers (A344341). A344344

a(n) = 6·n² + 1. A227776

Number of ways to write n as an ordered sum of 7 nonzero triangular numbers. A340952

Array read by antidiagonals: A(n,k) is the number of sensed planar maps with n vertices and k faces, n >= 1, k >= 1. A379430

Number of partitions of n in which both smallest and largest part occur only once. A117995