Properties of the Number 15127

Fifteen Thousand One Hundred Twenty-Seven

Basics

Value: 15126 → 15127 → 15128

Parity: odd

Prime: No

Previous Prime: 15121

Next Prime: 15131

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 7 × 2161

Divisors: 1, 7, 2161, 15127

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11101100010111

Octal: 35427

Duodecimal: 8907

Hexadecimal: 3b17

Square: 228826129

Square Root: 122.99186964998947

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

Lucas numbers beginning at 2: L(n) = L(n-1) + L(n-2), L(0) = 2, L(1) = 1. A32

Lucas numbers (beginning with 1): L(n) = L(n-1) + L(n-2) with L(1) = 1, L(2) = 3. A204

Bisection of Lucas numbers: a(n) = L(2·n) = A000032(2·n). A5248

a(n) = Lucas(4·n). A56854

a(n) = 11·a(n-1) + a(n-2). A1946

Round φⁿ to the nearest integer. A169985

Fibonacci-type sequence based on subtraction: a(0) = 1, a(1) = 2 and a(n) = a(n-2) - a(n-1). A61084

Rectangular array A: first differences of row entries of array A294099, read by antidiagonals. A298675

Numbers such that floor(a(n)² / 5) is a square. A204520

Wythoff difference array, D={d(i,j)}, by antidiagonals. A80164