Properties of the Number 85078

Eighty-Five Thousand Seventy-Eight

Basics

Value: 85077 → 85078 → 85079

Parity: even

Prime: No

Previous Prime: 85061

Next Prime: 85081

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 7 × 59 × 103

Divisors: 1, 2, 7, 14, 59, 103, 118, 206, 413, 721

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: 10100110001010110

Octal: 246126

Duodecimal: 4129A

Hexadecimal: 14c56

Square: 7238266084

Square Root: 291.68133296458996

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

Cyclops triangular numbers. A160717

Principal diagonal of the convolution array A213831. A213832

Triangular numbers with sum of digits = 28. A68132

Triangular numbers whose sum of prime factors (with repetition) is also triangular. A76169

Numbers that start a run of four consecutive triangular numbers with four distinct prime factors. A349773

Number of ways to place 8 nonattacking queens on an 8 X n board. A172449

Row sums of the triangle A325982. A325983

The largest number with the prime signature of n! using primes <= n. A85078

Number of nX5 0..1 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards. A280066