Properties of the Number 12255

Twelve Thousand Two Hundred Fifty-Five

Basics

Value: 12254 → 12255 → 12256

Parity: odd

Prime: No

Previous Prime: 12253

Next Prime: 12263

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 19 × 43

Divisors: 1, 3, 5, 15, 19, 43, 57, 95, 129, 215

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111111011111

Octal: 27737

Duodecimal: 7113

Hexadecimal: 2fdf

Square: 150185025

Square Root: 110.70230349906907

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

Numbers k such that k, k + 1 and k + 2 are 3 consecutive Harshad numbers. A154701

Beginning of a run of 4 consecutive Niven (or Harshad) numbers. A141769

Expansion of {∏_j>=1 (1 - (-x)^j) - 1}¹² in powers of x. A1490

Number of non-equivalent binary n X n matrices with two nonadjacent 1's. A232567

a(n) = (n-1)*(n+4)*(n+6)/6 for n > 1, a(1)=1. A137742

G.f.: exp( ∑_n>=1 A163659(n²)*xⁿ/n ), where x·exp(∑_n>=1 A163659(n)*xⁿ/n) = S(x) is the g.f. of Stern's diatomic series (A002487). A195586

Total number of parts equal to 1 in all plane partitions of n. A90539

Primitive elements of A119432. A119433

a(n) = (n-4)*(n+1)*(n+3)/6. A275874

a(n) = n*(17·n - 1)/2. A22274