Properties of the Number 69960

Sixty-Nine Thousand Nine Hundred Sixty

Basics

Value: 69959 → 69960 → 69961

Parity: even

Prime: No

Previous Prime: 69959

Next Prime: 69991

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 ³ × 3 × 5 × 11 × 53

Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 11, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001000101001000

Octal: 210510

Duodecimal: 345A0

Hexadecimal: 11148

Square: 4894401600

Square Root: 264.49952740978574

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

Integer squares y from the smallest solutions of y² = x*(a^N - x)*(b^N + x) (elliptic line, Weierstrass equation) with a and b legs in primitive Pythagorean triangles and N = 2. Sequence ordered in increasing values of leg a. A120210

a(n) = floor(n⁴/4). A131479

First occurrence of a set of n consecutive numbers having at least one prime gap in their factorization: a(n) = smallest number of this set. A137723

On a spirally numbered square grid, with labels starting at 1, this is the number of steps that an (n,n+1) leaper makes before getting trapped, or -1 if it never gets trapped. A343178

Expansion of 1/sqrt((1-x⁴)² - 4·x⁵). A383572

Partial sums of hexagonal numbers with prime indices. A117962

Positive integers k such that the decimal representation of 2^k ends with some permutation of the string "0123456789". A347164

Sum of positive even numbers up to n². A235367

a(n) = n*(2·n+5)*(2·n+7). A35329

Numbers that can be expressed as the difference of the squares of primes in exactly seven distinct ways. A92003