Properties of the Number 99235

Ninety-Nine Thousand Two Hundred Thirty-Five

Basics

Value: 99234 → 99235 → 99236

Parity: odd

Prime: No

Previous Prime: 99233

Next Prime: 99241

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 5 × 89 × 223

Divisors: 1, 5, 89, 223, 445, 1115, 19847, 99235

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11000001110100011

Octal: 301643

Duodecimal: 49517

Hexadecimal: 183a3

Square: 9847585225

Square Root: 315.01587261596836

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

Triangular numbers whose reverse is prime. A66751

Triangular numbers whose digit reversal is prime; trailing zeros are permitted. A115704

Hexagonal numbers that are sphenic numbers. A380007

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 63. A31741

Triangular numbers in which the sum of the external digits equals the sum of the internal digits. A88289

A quadrisection of 1/(1-x-x⁵). A99235

Number of ways to write π(T(n)) = π(T(k)) + π(T(m)) with 1 < k < m < n, where T(x) is the triangular number x*(x+1)/2, and π(x) is the number of primes not exceeding x. A262403