Properties of the Number 78979

Seventy-Eight Thousand Nine Hundred Seventy-Nine

Basics

Value: 78978 → 78979 → 78980

Parity: odd

Prime: Yes

Previous Prime: 78977

Next Prime: 78989

Digit Sum: 40

Digital Root: 4

Palindrome: No

Factorization: 78979

Divisors: 1, 78979

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10011010010000011

Octal: 232203

Duodecimal: 39857

Hexadecimal: 13483

Square: 6237682441

Square Root: 281.0320266446513

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

Palindromic primes in base 3. A29971

Primes having only {7, 8, 9} as digits. A106110

Primes with integer arithmetic mean of digits = 8 in base 10. A285228

Primes with digit sum = 40. A106773

Primes with minimal digit = 7. A106107

Triangle read by rows: T(n,k) is the number of secondary structures of size n having k stacks of even length (n>=0, k>=0). A202848

Primes of the form p² + 18, where p is prime. A201688

Primes p such that ∑_k=primes<p (k mod p) and ∑_k=primes<p (p mod k) are both prime. A274025

a(n) = A078711(n) - 1. A78979