Properties of the Number 67390

Sixty-Seven Thousand Three Hundred Ninety

Basics

Value: 67389 → 67390 → 67391

Parity: even

Prime: No

Previous Prime: 67369

Next Prime: 67391

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 × 23 × 293

Divisors: 1, 2, 5, 10, 23, 46, 115, 230, 293, 586

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000011100111110

Octal: 203476

Duodecimal: 32BBA

Hexadecimal: 1073e

Square: 4541412100

Square Root: 259.5958397201311

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

Least power of 3 having a run of exactly n consecutive 5's in its decimal representation. A131548

Number T(n,k) of colored integer partitions of n using all colors of a k-set such that a color pattern for part i has i distinct colors in increasing order; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A327117

Number of colored integer partitions of 2n using all colors of an n-set such that a color pattern for part i has i distinct colors in increasing order. A327843

Sum of primes in n-th shell of prime spiral. A53997

The least k such that the decimal expansion of 3^k contains 9 consecutive n's. A215783

Compound filter (the left & right summand of Hofstadter Q-sequence): a(n) = P(Q(n-Q(n-1)), Q(n-Q(n-2))), where P(n,k) is sequence A000027 used as a pairing function, with a(1) = a(2) = 0. A286559

Number of distinct prime factors in 2ⁿ + 3. A67390

Number of 4Xn 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 1 0 and 1 0 1 vertically. A207520