Properties of the Number 67809

Sixty-Seven Thousand Eight Hundred Nine

Basics

Value: 67808 → 67809 → 67810

Parity: odd

Prime: No

Previous Prime: 67807

Next Prime: 67819

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 3229

Divisors: 1, 3, 7, 21, 3229, 9687, 22603, 67809

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000100011100001

Octal: 204341

Duodecimal: 332A9

Hexadecimal: 108e1

Square: 4598060481

Square Root: 260.4016128982307

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 starting configurations of Nim with n pieces such that 1st player wins. Partitions of n such that their xor-sum is nonzero. A233810

Triangle read by rows: T(n,k) is the number of nested cycle partitions of n labeled nodes into k components. A392471

Number of ways of placing n labeled balls into 10 indistinguishable boxes; word structures of length n using a 10-ary alphabet. A164864

T(n,k) = number of arrays of n 0..k integers with new values introduced in order 0..k but otherwise unconstrained. Array read by antidiagonals. A203647

Composite n such that σ(3·n) < prime(n). A67809