Properties of the Number 78120

Seventy-Eight Thousand One Hundred Twenty

Basics

Value: 78119 → 78120 → 78121

Parity: even

Prime: No

Previous Prime: 78101

Next Prime: 78121

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ³ × 3 ² × 5 × 7 × 31

Divisors: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10011000100101000

Octal: 230450

Duodecimal: 39260

Hexadecimal: 13128

Square: 6102734400

Square Root: 279.4995527724508

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

Table T(n,k) by antidiagonals. T(n,k) is the number of length n primitive (=aperiodic or period n) k-ary words (n,k >= 1). A143324

Number of multisets that can be obtained by choosing a divisor of each positive integer from 1 to n. A355747

Number of 5-ary sequences with primitive period n. A54720

Product of the nonzero exponents in the prime factorization of n!. A135291

a(n) = n⁷ - n. A133499

Triangle read by rows: T(n,k) is the number of n-colorings of the vertices of the k-dimensional cross polytope such that no two adjacent vertices have the same color. 0 <= k <= n. A342088

In the pile of coconuts problem, the number of coconuts that remain to be shared equally at the end of the process. A2022

Number of primitive (aperiodic) palindromes using a maximum of five different symbols. A56461

Oblong numbers that are the product of two oblong numbers. A188660

Numbers with prime factorization p·q*r·s²*t³ (where p, q, r, s, t are distinct primes). A190111