Properties of the Number 56989

Fifty-Six Thousand Nine Hundred Eighty-Nine

Basics

Value: 56988 → 56989 → 56990

Parity: odd

Prime: Yes

Previous Prime: 56983

Next Prime: 56993

Digit Sum: 37

Digital Root: 1

Palindrome: No

Factorization: 56989

Divisors: 1, 56989

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101111010011101

Octal: 157235

Duodecimal: 28B91

Hexadecimal: de9d

Square: 3247746121

Square Root: 238.72368964977062

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

Starting index of a string of exactly 5 consecutive equal digits in decimal expansion of π. A49521

Starting index of a string of 5 or more consecutive equal digits in decimal expansion of π. A49517

Starting positions of strings of four 9's in the decimal expansion of π. A83643

Primes with digit sum = 37. A106771

0 together with numbers k such that 4·R_k - 3 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A99412

Primes having only {5, 6, 8, 9} as digits. A386198

Number of nonsingular n X n (-1,0,1)-matrices (over the reals). A56989