Properties of the Number 72103

Seventy-Two Thousand One Hundred Three

Basics

Value: 72102 → 72103 → 72104

Parity: odd

Prime: Yes

Previous Prime: 72101

Next Prime: 72109

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 72103

Divisors: 1, 72103

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001100110100111

Octal: 214647

Duodecimal: 35887

Hexadecimal: 119a7

Square: 5198842609

Square Root: 268.52001787576285

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

Smallest number requiring n 1's to build using +, * and -. A255641

Smallest positive real Gaussian prime having a gap size of exactly A128106(n). A128109

Primes p of the form 4m+3 for which there are exactly as many primitive roots modulo p in the interval [0,p/2] as in the interval [p/2,p]. A172490

Primes p which are floor of Root-mean-cube (RMC) of prime(n), prime(n+1) and prime(n+2). A239941

Greater of twin primes p2 such that p1³+p2²=pp is the average of twin primes. p1 and p2 twin primes, p1 < p2. A139779

Numbers that can be written as a² + 3·b² for some a, b in A155716 and also as c² + 6·d² for some c, d in A092572. A380295

Sorted perfect powers a^b for a, b > 1 with duplication. A72103