Properties of the Number 12115

Twelve Thousand One Hundred Fifteen

Basics

Value: 12114 → 12115 → 12116

Parity: odd

Prime: No

Previous Prime: 12113

Next Prime: 12119

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 5 × 2423

Divisors: 1, 5, 2423, 12115

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10111101010011

Octal: 27523

Duodecimal: 7017

Hexadecimal: 2f53

Square: 146773225

Square Root: 110.06816070054046

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

Positive numbers for which the sum of digits equals the product of digits. A34710

Iccanobif numbers: add a(n-1) to reversal of a(n-2). A14260

Nonprimes whose sum of digits is equal to its product of digits. A66307

Numbers which are the sum of 3 cubes of distinct odd primes. A138853

Triangle of coefficients of polynomials u(n,x) jointly generated with A210859; see the Formula section. A210858

Records in A228407. A377925

Numerators of continued fraction convergents to sqrt(547). A42046

Integers m such that (x1·x2*..xk)^x1+x2+..xk = (x1+x2+..xk)^x1·x2*..xk where x1x2..xk are the digits of m in base 10. A64158

Semiprimes for which both the sum and the product of the digits is also a semiprime. A118690

Number of primitive Pythagorean-like triples a²+b²=c²+k for k=3 with 0<c<=10ⁿ. A121086