Properties of the Number 52975

Fifty-Two Thousand Nine Hundred Seventy-Five

Basics

Value: 52974 → 52975 → 52976

Parity: odd

Prime: No

Previous Prime: 52973

Next Prime: 52981

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 5 ² × 13 × 163

Divisors: 1, 5, 13, 25, 65, 163, 325, 815, 2119, 4075

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1100111011101111

Octal: 147357

Duodecimal: 267A7

Hexadecimal: ceef

Square: 2806350625

Square Root: 230.1629857296781

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

Doubly triangular numbers: a(n) = n*(n+1)*(n²+n+2)/8. A2817

a(n) = A185128(n) - A185129(n). A185253

Least triangular number t such that t = prime(n)*triangular(m) for some m>0, or 0 if no such t exists. A225503

The first of two consecutive triangular numbers the sum of which is equal to the sum of two consecutive prime numbers. A298462

Hexagonal numbers with prime indices. A117961

Triangular numbers whose sum of triangular divisors is also triangular and greater than 1. A209310

Triangular numbers with sum of digits = 28. A68132

Hexagonal numbers for which the sum of the digits is also a hexagonal number. A117062

Numbers k such that k-1 and k+1 are each the product of exactly 7 primes, counted with multiplicity. A157487

Triangular numbers which become primes when their rightmost digit is removed. A227936