Properties of the Number 69006

Sixty-Nine Thousand Six

Basics

Value: 69005 → 69006 → 69007

Parity: even

Prime: No

Previous Prime: 69001

Next Prime: 69011

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 7 × 31 × 53

Divisors: 1, 2, 3, 6, 7, 14, 21, 31, 42, 53

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000110110001110

Octal: 206616

Duodecimal: 33B26

Hexadecimal: 10d8e

Square: 4761828036

Square Root: 262.6899312878208

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

The first of two consecutive triangular numbers the sum of which is equal to the sum of two consecutive prime numbers. A298462

4·a(n) is the maximum possible determinant of a 3 X 3 matrix whose entries are 9 consecutive primes starting with prime(n). A340923

Number of transitive relations on an n-set with exactly four ordered pairs. A349849

Numbers k such that 8^k == -1 (mod k-1). A55691

Triangular numbers composed of digits {0,6,9}. A119091

Triangular numbers which are an average of four consecutive primes. A226196

Triangular numbers using only the curved digits 0, 3, 6, 8 and 9. A79653

Triangular numbers whose sum of squared digits is also triangular. A94890

Triangular numbers all of whose digits are nonprimes. A111484

Triangular numbers which are products of five distinct primes. A357590