Properties of the Number 15227

Fifteen Thousand Two Hundred Twenty-Seven

Basics

Value: 15226 → 15227 → 15228

Parity: odd

Prime: Yes

Previous Prime: 15217

Next Prime: 15233

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 15227

Divisors: 1, 15227

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11101101111011

Octal: 35573

Duodecimal: 898B

Hexadecimal: 3b7b

Square: 231861529

Square Root: 123.39773093537822

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

Primes of the form 36·k² - 810·k + 2753, listed in order of increasing parameter k >= 0. A50268

Number of unimodal functions [1..n]->[0..2]. A223718

a(n) = (4·n³ - 6·n² + 8·n + 3)/3. A161712

Palindromic primes in base 4. A29972

Collatz (or 3x+1) trajectory starting at 703. A161021

Primes of the form k(k+1)/2+2 (i.e., two more than a triangular number). A55472

a(n) = 36·n² - 810·n + 2753, producing the conjectured record number of 45 primes in a contiguous range of n for quadratic polynomials, i.e., abs(a(n)) is prime for 0 <= n < 44. A117081

Primes of the form 36·n² - 810·n + 2753, n >= 0, sorted. A22464

Primes congruent to 5 mod 59. A142732

Primes p such that continued fraction of (1 + sqrt(p))/2 has period 14: primes in A146337. A146359