Properties of the Number 67896

Sixty-Seven Thousand Eight Hundred Ninety-Six

Basics

Value: 67895 → 67896 → 67897

Parity: even

Prime: No

Previous Prime: 67891

Next Prime: 67901

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 2 ³ × 3 ² × 23 × 41

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 18, 23

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000100100111000

Octal: 204470

Duodecimal: 33360

Hexadecimal: 10938

Square: 4609866816

Square Root: 260.5686090073016

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

Smallest triangular number with digit sum n (or 0 if no such number exists). A62688

Lexicographically first sequence of distinct terms such that any set of four successive digits can be reordered as {d, d+1, d+2, d+3}, d being the smallest of the four digits. A302499

Expansion of 1/((1-x)*(1+x+x²+2·x³)). A77909

First triangular number with digit sum = n-th triangular number. A68133

Triangular numbers for which the sum of the digits is a square. A117404

Number·such that x | A255242(x). A255243

Numerators of expansion of η(5t)²*η(10t)^13/5*η(20t)^-9/5*η(40t)^6/5. A135468

Positive triangular numbers such that the two numbers before it and the two numbers after it are squarefree. A374503

Triangular numbers not divisible by 10 whose reverse is pentagonal. A66758

Duplicate of A062688. A67181